diff --git a/src/index.js b/src/index.js
index 60b74c83..0011b0d8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -280,7 +280,7 @@ export default function loader(content, map, meta) {
           }
 
           const { item } = message;
-          const { url, placeholder } = item;
+          const { url, placeholder, needQuotes } = item;
           // Remove `#hash` and `?#hash` from `require`
           const [normalizedUrl, singleQuery, hashValue] = url.split(/(\?)?#/);
           const hash =
@@ -292,7 +292,7 @@ export default function loader(content, map, meta) {
             `var ${placeholder} = urlEscape(require(${stringifyRequest(
               this,
               urlToRequest(normalizedUrl)
-            )})${hash ? ` + ${hash}` : ''});`
+            )})${hash ? ` + ${hash}` : ''}${needQuotes ? ', true' : ''});`
           );
 
           cssAsString = cssAsString.replace(
diff --git a/src/plugins/postcss-url-parser.js b/src/plugins/postcss-url-parser.js
index 35a546e0..e1816ff0 100644
--- a/src/plugins/postcss-url-parser.js
+++ b/src/plugins/postcss-url-parser.js
@@ -1,30 +1,52 @@
 import postcss from 'postcss';
 import valueParser from 'postcss-value-parser';
+import _ from 'lodash';
 
 const pluginName = 'postcss-url-parser';
 
-function getArg(nodes) {
-  return nodes.length !== 0 && nodes[0].type === 'string'
-    ? nodes[0].value
-    : valueParser.stringify(nodes);
+const isUrlFunc = /url/i;
+const isImageSetFunc = /^(?:-webkit-)?image-set$/i;
+const needParseDecl = /(?:url|(?:-webkit-)?image-set)\(/i;
+
+function getNodeFromUrlFunc(node) {
+  return node.nodes && node.nodes[0];
+}
+
+function getUrlFromUrlFunc(node) {
+  return node.nodes.length !== 0 && node.nodes[0].type === 'string'
+    ? node.nodes[0].value
+    : valueParser.stringify(node.nodes);
 }
 
 function walkUrls(parsed, callback) {
   parsed.walk((node) => {
-    if (node.type !== 'function' || node.value.toLowerCase() !== 'url') {
+    if (node.type !== 'function') {
       return;
     }
 
-    /* eslint-disable */
-    node.before = '';
-    node.after = '';
-    /* eslint-enable */
+    if (isUrlFunc.test(node.value)) {
+      callback(getNodeFromUrlFunc(node), getUrlFromUrlFunc(node), false);
 
-    callback(node, getArg(node.nodes));
+      // Do not traverse inside `url`
+      // eslint-disable-next-line consistent-return
+      return false;
+    }
+
+    if (isImageSetFunc.test(node.value)) {
+      node.nodes.forEach((nNode) => {
+        if (nNode.type === 'function' && isUrlFunc.test(nNode.value)) {
+          callback(getNodeFromUrlFunc(nNode), getUrlFromUrlFunc(nNode), false);
+        }
+
+        if (nNode.type === 'string') {
+          callback(nNode, nNode.value, true);
+        }
+      });
 
-    // Do not traverse inside url
-    // eslint-disable-next-line consistent-return
-    return false;
+      // Do not traverse inside `image-set`
+      // eslint-disable-next-line consistent-return
+      return false;
+    }
   });
 }
 
@@ -32,14 +54,14 @@ function walkDeclsWithUrl(css, result, filter) {
   const items = [];
 
   css.walkDecls((decl) => {
-    if (!/url\(/i.test(decl.value)) {
+    if (!needParseDecl.test(decl.value)) {
       return;
     }
 
     const parsed = valueParser(decl.value);
     const urls = [];
 
-    walkUrls(parsed, (node, url) => {
+    walkUrls(parsed, (node, url, needQuotes) => {
       if (url.trim().replace(/\\[\r\n]/g, '').length === 0) {
         result.warn(`Unable to find uri in '${decl.toString()}'`, {
           node: decl,
@@ -52,7 +74,7 @@ function walkDeclsWithUrl(css, result, filter) {
         return;
       }
 
-      urls.push(url);
+      urls.push({ url, needQuotes });
     });
 
     if (urls.length === 0) {
@@ -65,52 +87,49 @@ function walkDeclsWithUrl(css, result, filter) {
   return items;
 }
 
-function flatten(array) {
-  return array.reduce((acc, d) => [...acc, ...d], []);
-}
-
-function uniq(array) {
-  return array.reduce(
-    (acc, d) => (acc.indexOf(d) === -1 ? [...acc, d] : acc),
-    []
-  );
-}
-
 export default postcss.plugin(
   pluginName,
   (options = {}) =>
     function process(css, result) {
       const traversed = walkDeclsWithUrl(css, result, options.filter);
-      const paths = uniq(flatten(traversed.map((item) => item.urls)));
+      const paths = _.uniqWith(
+        _.flatten(traversed.map((item) => item.urls)),
+        _.isEqual
+      );
 
       if (paths.length === 0) {
         return;
       }
 
-      const urls = {};
+      const placeholders = [];
 
       paths.forEach((path, index) => {
         const placeholder = `___CSS_LOADER_URL___${index}___`;
+        const { url, needQuotes } = path;
 
-        urls[path] = placeholder;
+        placeholders.push({ placeholder, path });
 
         result.messages.push({
           pluginName,
           type: 'url',
-          item: { url: path, placeholder },
+          item: { url, placeholder, needQuotes },
         });
       });
 
       traversed.forEach((item) => {
-        walkUrls(item.parsed, (node, url) => {
-          const value = urls[url];
+        walkUrls(item.parsed, (node, url, needQuotes) => {
+          const value = _.find(placeholders, { path: { url, needQuotes } });
 
           if (!value) {
             return;
           }
 
+          const { placeholder } = value;
+
+          // eslint-disable-next-line no-param-reassign
+          node.type = 'word';
           // eslint-disable-next-line no-param-reassign
-          node.nodes = [{ type: 'word', value }];
+          node.value = placeholder;
         });
 
         // eslint-disable-next-line no-param-reassign
diff --git a/src/runtime/url-escape.js b/src/runtime/url-escape.js
index c2b69273..a792c658 100644
--- a/src/runtime/url-escape.js
+++ b/src/runtime/url-escape.js
@@ -1,4 +1,4 @@
-module.exports = function escape(url) {
+module.exports = function escape(url, needQuotes) {
   if (typeof url !== 'string') {
     return url;
   }
@@ -7,9 +7,10 @@ module.exports = function escape(url) {
   if (/^['"].*['"]$/.test(url)) {
     url = url.slice(1, -1);
   }
+
   // Should url be wrapped?
   // See https://drafts.csswg.org/css-values-3/#urls
-  if (/["'() \t\n]/.test(url)) {
+  if (/["'() \t\n]/.test(url) || needQuotes) {
     return '"' + url.replace(/"/g, '\\"').replace(/\n/g, '\\n') + '"';
   }
 
diff --git a/test/__snapshots__/loader.test.js.snap b/test/__snapshots__/loader.test.js.snap
index 2148074d..33a5c877 100644
--- a/test/__snapshots__/loader.test.js.snap
+++ b/test/__snapshots__/loader.test.js.snap
@@ -89,7 +89,7 @@ function toComment(sourceMap) {
 exports[`loader should compile with \`css\` entry point (with \`modules\` and scope \`global\`): errors 1`] = `Array []`;
 
 exports[`loader should compile with \`css\` entry point (with \`modules\` and scope \`global\`): escape 1`] = `
-"module.exports = function escape(url) {
+"module.exports = function escape(url, needQuotes) {
   if (typeof url !== 'string') {
     return url;
   }
@@ -98,9 +98,10 @@ exports[`loader should compile with \`css\` entry point (with \`modules\` and sc
   if (/^['\\"].*['\\"]$/.test(url)) {
     url = url.slice(1, -1);
   }
+
   // Should url be wrapped?
   // See https://drafts.csswg.org/css-values-3/#urls
-  if (/[\\"'() \\\\t\\\\n]/.test(url)) {
+  if (/[\\"'() \\\\t\\\\n]/.test(url) || needQuotes) {
     return '\\"' + url.replace(/\\"/g, '\\\\\\\\\\"').replace(/\\\\n/g, '\\\\\\\\n') + '\\"';
   }
 
@@ -339,7 +340,7 @@ function toComment(sourceMap) {
 exports[`loader should compile with \`css\` entry point (with \`modules\` and scope \`local\`): errors 1`] = `Array []`;
 
 exports[`loader should compile with \`css\` entry point (with \`modules\` and scope \`local\`): escape 1`] = `
-"module.exports = function escape(url) {
+"module.exports = function escape(url, needQuotes) {
   if (typeof url !== 'string') {
     return url;
   }
@@ -348,9 +349,10 @@ exports[`loader should compile with \`css\` entry point (with \`modules\` and sc
   if (/^['\\"].*['\\"]$/.test(url)) {
     url = url.slice(1, -1);
   }
+
   // Should url be wrapped?
   // See https://drafts.csswg.org/css-values-3/#urls
-  if (/[\\"'() \\\\t\\\\n]/.test(url)) {
+  if (/[\\"'() \\\\t\\\\n]/.test(url) || needQuotes) {
     return '\\"' + url.replace(/\\"/g, '\\\\\\\\\\"').replace(/\\\\n/g, '\\\\\\\\n') + '\\"';
   }
 
@@ -609,7 +611,7 @@ function toComment(sourceMap) {
 exports[`loader should compile with \`css\` entry point: errors 1`] = `Array []`;
 
 exports[`loader should compile with \`css\` entry point: escape 1`] = `
-"module.exports = function escape(url) {
+"module.exports = function escape(url, needQuotes) {
   if (typeof url !== 'string') {
     return url;
   }
@@ -618,9 +620,10 @@ exports[`loader should compile with \`css\` entry point: escape 1`] = `
   if (/^['\\"].*['\\"]$/.test(url)) {
     url = url.slice(1, -1);
   }
+
   // Should url be wrapped?
   // See https://drafts.csswg.org/css-values-3/#urls
-  if (/[\\"'() \\\\t\\\\n]/.test(url)) {
+  if (/[\\"'() \\\\t\\\\n]/.test(url) || needQuotes) {
     return '\\"' + url.replace(/\\"/g, '\\\\\\\\\\"').replace(/\\\\n/g, '\\\\\\\\n') + '\\"';
   }
 
@@ -859,7 +862,7 @@ function toComment(sourceMap) {
 exports[`loader should compile with \`js\` entry point: errors 1`] = `Array []`;
 
 exports[`loader should compile with \`js\` entry point: escape 1`] = `
-"module.exports = function escape(url) {
+"module.exports = function escape(url, needQuotes) {
   if (typeof url !== 'string') {
     return url;
   }
@@ -868,9 +871,10 @@ exports[`loader should compile with \`js\` entry point: escape 1`] = `
   if (/^['\\"].*['\\"]$/.test(url)) {
     url = url.slice(1, -1);
   }
+
   // Should url be wrapped?
   // See https://drafts.csswg.org/css-values-3/#urls
-  if (/[\\"'() \\\\t\\\\n]/.test(url)) {
+  if (/[\\"'() \\\\t\\\\n]/.test(url) || needQuotes) {
     return '\\"' + url.replace(/\\"/g, '\\\\\\\\\\"').replace(/\\\\n/g, '\\\\\\\\n') + '\\"';
   }
 
diff --git a/test/__snapshots__/url-option.test.js.snap b/test/__snapshots__/url-option.test.js.snap
index 9d35aea8..7dd0e1cd 100644
--- a/test/__snapshots__/url-option.test.js.snap
+++ b/test/__snapshots__/url-option.test.js.snap
@@ -224,6 +224,65 @@ a {
 @font-face {
   src: url(\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\");
 }
+
+.class {
+  /* Broken */
+  background-image: -webkit-image-set();
+  background-image: -webkit-image-set('');
+  background-image: image-set();
+  background-image: image-set('');
+  background-image: image-set(\\"\\");
+  background-image: image-set(\\"\\" 1x);
+  background-image: image-set(url());
+  background-image: image-set(
+    url()
+  );
+  background-image: image-set(URL());
+  background-image: image-set(url(''));
+  background-image: image-set(url(\\"\\"));
+  background-image: image-set(url('') 1x);
+  background-image: image-set(1x);
+  background-image: image-set(
+    1x
+  );
+  background: image-set(calc(1rem + 1px) 1x);
+
+  /* Strings */
+  background-image: -webkit-image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"./img img.png\\" 1x, \\"./img img.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x),
+    image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(
+    \\"/webpack/public/path/img1x.png\\" 1x,
+    \\"/webpack/public/path/img2x.png\\" 2x,
+    \\"/webpack/public/path/img3x.png\\" 600dpi
+  );
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png#hash\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png?#iefix\\" 1x);
+
+  /* With \`url\` function */
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: -webkit-image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x,
+    url(/webpack/public/path/img2x.png) 2x,
+    url(/webpack/public/path/img3x.png) 600dpi
+  );
+  background-image: image-set(url(\\"./img img.png\\") 1x, url(\\"./img img.png\\") 2x);
+
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+}
 ",
     "",
   ],
@@ -248,9 +307,16 @@ var ___CSS_LOADER_URL___9___ = urlEscape(require(\\"./img1x.png\\"));
 var ___CSS_LOADER_URL___10___ = urlEscape(require(\\"./img2x.png\\"));
 var ___CSS_LOADER_URL___11___ = urlEscape(require(\\"./img-simple.png\\"));
 var ___CSS_LOADER_URL___12___ = urlEscape(require(\\"../url/img-simple.png\\"));
+var ___CSS_LOADER_URL___13___ = urlEscape(require(\\"./img1x.png\\"), true);
+var ___CSS_LOADER_URL___14___ = urlEscape(require(\\"./img2x.png\\"), true);
+var ___CSS_LOADER_URL___15___ = urlEscape(require(\\"./img3x.png\\"), true);
+var ___CSS_LOADER_URL___16___ = urlEscape(require(\\"./img1x.png?foo=bar\\"), true);
+var ___CSS_LOADER_URL___17___ = urlEscape(require(\\"./img1x.png\\") + \\"#hash\\", true);
+var ___CSS_LOADER_URL___18___ = urlEscape(require(\\"./img1x.png\\") + \\"?#iefix\\", true);
+var ___CSS_LOADER_URL___19___ = urlEscape(require(\\"./img3x.png\\"));
 
 // Module
-exports.push([module.id, \\".class {\\\\n  background: url('./img.png');\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(./img.png);\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\n    \\\\\\"./img.png\\\\\\"\\\\n  );\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( './img.png' ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\\\\\"./img.png\\\\\\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( ./img.png ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(~package/img.png) url(./other-img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\\\\\"./img img.png\\\\\\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( './img img.png' ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___0___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___1___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___2___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___3___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___4___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___5___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\\\\\"./img.png\\\\\\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url('./img.png') xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___10___ + \\") 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___10___ + \\") 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url('./img.png') url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url('./img.png');\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url(\\" + ___CSS_LOADER_URL___11___ + \\");\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url(\\" + ___CSS_LOADER_URL___12___ + \\");\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url('~package/img.png');\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url('~aliasesImg/img.png') ;\\\\n}\\\\n\\\\na {\\\\n  background: url(./nested/img.png);\\\\n}\\\\n\\\\na {\\\\n  background: url(nested/img.png);\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\", \\"\\"]);
+exports.push([module.id, \\".class {\\\\n  background: url('./img.png');\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(./img.png);\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\n    \\\\\\"./img.png\\\\\\"\\\\n  );\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( './img.png' ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\\\\\"./img.png\\\\\\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( ./img.png ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(~package/img.png) url(./other-img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\\\\\"./img img.png\\\\\\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( './img img.png' ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___0___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___1___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___2___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___3___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___4___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___5___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\\\\\"./img.png\\\\\\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url('./img.png') xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___10___ + \\") 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___10___ + \\") 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url('./img.png') url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url('./img.png');\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url(\\" + ___CSS_LOADER_URL___11___ + \\");\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url(\\" + ___CSS_LOADER_URL___12___ + \\");\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url('~package/img.png');\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url('~aliasesImg/img.png') ;\\\\n}\\\\n\\\\na {\\\\n  background: url(./nested/img.png);\\\\n}\\\\n\\\\na {\\\\n  background: url(nested/img.png);\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  /* Broken */\\\\n  background-image: -webkit-image-set();\\\\n  background-image: -webkit-image-set('');\\\\n  background-image: image-set();\\\\n  background-image: image-set('');\\\\n  background-image: image-set(\\\\\\"\\\\\\");\\\\n  background-image: image-set(\\\\\\"\\\\\\" 1x);\\\\n  background-image: image-set(url());\\\\n  background-image: image-set(\\\\n    url()\\\\n  );\\\\n  background-image: image-set(URL());\\\\n  background-image: image-set(url(''));\\\\n  background-image: image-set(url(\\\\\\"\\\\\\"));\\\\n  background-image: image-set(url('') 1x);\\\\n  background-image: image-set(1x);\\\\n  background-image: image-set(\\\\n    1x\\\\n  );\\\\n  background: image-set(calc(1rem + 1px) 1x);\\\\n\\\\n  /* Strings */\\\\n  background-image: -webkit-image-set(\\" + ___CSS_LOADER_URL___13___ + \\" 1x, \\" + ___CSS_LOADER_URL___14___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___13___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___13___ + \\" 1x, \\" + ___CSS_LOADER_URL___14___ + \\" 2x);\\\\n  background-image: image-set(\\\\\\"./img img.png\\\\\\" 1x, \\\\\\"./img img.png\\\\\\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___13___ + \\" 1x, \\" + ___CSS_LOADER_URL___14___ + \\" 2x),\\\\n    image-set(\\" + ___CSS_LOADER_URL___13___ + \\" 1x, \\" + ___CSS_LOADER_URL___14___ + \\" 2x);\\\\n  background-image: image-set(\\\\n    \\" + ___CSS_LOADER_URL___13___ + \\" 1x,\\\\n    \\" + ___CSS_LOADER_URL___14___ + \\" 2x,\\\\n    \\" + ___CSS_LOADER_URL___15___ + \\" 600dpi\\\\n  );\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___16___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___17___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___18___ + \\" 1x);\\\\n\\\\n  /* With \`url\` function */\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___10___ + \\") 2x);\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x);\\\\n  background-image: -webkit-image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___10___ + \\") 2x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x,\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") 2x,\\\\n    url(\\" + ___CSS_LOADER_URL___19___ + \\") 600dpi\\\\n  );\\\\n  background-image: image-set(url(\\\\\\"./img img.png\\\\\\") 1x, url(\\\\\\"./img img.png\\\\\\") 2x);\\\\n\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___9___ + \\") 1x, \\" + ___CSS_LOADER_URL___14___ + \\" 2x);\\\\n}\\\\n\\", \\"\\"]);
 
 "
 `;
@@ -278,6 +344,48 @@ Warning
 
 (136:3) Unable to find uri in 'background: green url(
   ) xyz'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(216:3) Unable to find uri in 'background-image: -webkit-image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(218:3) Unable to find uri in 'background-image: image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(219:3) Unable to find uri in 'background-image: image-set(\\"\\")'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(220:3) Unable to find uri in 'background-image: image-set(\\"\\" 1x)'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(221:3) Unable to find uri in 'background-image: image-set(url())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(222:3) Unable to find uri in 'background-image: image-set(
+    url()
+  )'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(225:3) Unable to find uri in 'background-image: image-set(URL())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(226:3) Unable to find uri in 'background-image: image-set(url(''))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(227:3) Unable to find uri in 'background-image: image-set(url(\\"\\"))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(228:3) Unable to find uri in 'background-image: image-set(url('') 1x)'",
 ]
 `;
 
@@ -505,6 +613,65 @@ a {
 @font-face {
   src: url(\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\");
 }
+
+.class {
+  /* Broken */
+  background-image: -webkit-image-set();
+  background-image: -webkit-image-set('');
+  background-image: image-set();
+  background-image: image-set('');
+  background-image: image-set(\\"\\");
+  background-image: image-set(\\"\\" 1x);
+  background-image: image-set(url());
+  background-image: image-set(
+    url()
+  );
+  background-image: image-set(URL());
+  background-image: image-set(url(''));
+  background-image: image-set(url(\\"\\"));
+  background-image: image-set(url('') 1x);
+  background-image: image-set(1x);
+  background-image: image-set(
+    1x
+  );
+  background: image-set(calc(1rem + 1px) 1x);
+
+  /* Strings */
+  background-image: -webkit-image-set(\\"./img1x.png\\" 1x, \\"./img2x.png\\" 2x);
+  background-image: image-set(\\"./img1x.png\\" 1x);
+  background-image: image-set(\\"./img1x.png\\" 1x, \\"./img2x.png\\" 2x);
+  background-image: image-set(\\"./img img.png\\" 1x, \\"./img img.png\\" 2x);
+  background-image: image-set(\\"./img1x.png\\" 1x, \\"./img2x.png\\" 2x),
+    image-set(\\"./img1x.png\\" 1x, \\"./img2x.png\\" 2x);
+  background-image: image-set(
+    \\"./img1x.png\\" 1x,
+    \\"./img2x.png\\" 2x,
+    \\"./img3x.png\\" 600dpi
+  );
+  background-image: image-set(\\"./img1x.png?foo=bar\\" 1x);
+  background-image: image-set(\\"./img1x.png#hash\\" 1x);
+  background-image: image-set(\\"./img1x.png?#iefix\\" 1x);
+
+  /* With \`url\` function */
+  background-image: -webkit-image-set(url(\\"./img1x.png\\") 1x, url(\\"./img2x.png\\") 2x);
+  background-image: -webkit-image-set(url(\\"./img1x.png\\") 1x);
+  background-image: -webkit-image-set(
+    url(\\"./img1x.png\\") 1x
+  );
+  background-image: image-set(url(./img1x.png) 1x);
+  background-image: image-set(
+    url(./img1x.png) 1x
+  );
+  background-image: image-set(url(\\"./img1x.png\\") 1x, url(\\"./img2x.png\\") 2x);
+  background-image: image-set(
+    url(./img1x.png) 1x,
+    url(./img2x.png) 2x,
+    url(./img3x.png) 600dpi
+  );
+  background-image: image-set(url(\\"./img img.png\\") 1x, url(\\"./img img.png\\") 2x);
+
+  background-image: image-set(url(\\"./img1x.png\\") 1x, \\"./img2x.png\\" 2x);
+}
 ",
     "",
   ],
@@ -517,7 +684,7 @@ exports[`url option false: module 1`] = `
 exports.i(require(\\"-!../../../src/index.js??ref--4-0!./imported.css\\"), \\"\\");
 
 // Module
-exports.push([module.id, \\".class {\\\\n  background: url('./img.png');\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(./img.png);\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\n    \\\\\\"./img.png\\\\\\"\\\\n  );\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( './img.png' ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\\\\\"./img.png\\\\\\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( ./img.png ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(~package/img.png) url(./other-img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\\\\\"./img img.png\\\\\\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( './img img.png' ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(./font.woff) format('woff'),\\\\n    url('./font.woff2') format('woff2'),\\\\n    url(\\\\\\"./font.eot\\\\\\") format('eot'),\\\\n    url(~package/font.ttf) format('truetype'),\\\\n    url(\\\\\\"./font with spaces.eot\\\\\\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url('./font.svg#svgFontName') format('svg'),\\\\n    url('./font.woff2?foo=bar') format('woff2'),\\\\n    url(\\\\\\"./font.eot?#iefix\\\\\\") format('embedded-opentype'),\\\\n    url(\\\\\\"./font with spaces.eot?#iefix\\\\\\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\\\\\"./img.png\\\\\\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url('./img.png') xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url('./img1x.png') 1x, url('./img2x.png') 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url('./img1x.png') 1x, url('./img2x.png') 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url('./img.png') url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url('./img.png');\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url('img-simple.png');\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url('../url/img-simple.png');\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url('~package/img.png');\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url('~aliasesImg/img.png') ;\\\\n}\\\\n\\\\na {\\\\n  background: url(./nested/img.png);\\\\n}\\\\n\\\\na {\\\\n  background: url(nested/img.png);\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\", \\"\\"]);
+exports.push([module.id, \\".class {\\\\n  background: url('./img.png');\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(./img.png);\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\n    \\\\\\"./img.png\\\\\\"\\\\n  );\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( './img.png' ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\\\\\"./img.png\\\\\\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( ./img.png ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(~package/img.png) url(./other-img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\\\\\"./img img.png\\\\\\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( './img img.png' ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(./font.woff) format('woff'),\\\\n    url('./font.woff2') format('woff2'),\\\\n    url(\\\\\\"./font.eot\\\\\\") format('eot'),\\\\n    url(~package/font.ttf) format('truetype'),\\\\n    url(\\\\\\"./font with spaces.eot\\\\\\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url('./font.svg#svgFontName') format('svg'),\\\\n    url('./font.woff2?foo=bar') format('woff2'),\\\\n    url(\\\\\\"./font.eot?#iefix\\\\\\") format('embedded-opentype'),\\\\n    url(\\\\\\"./font with spaces.eot?#iefix\\\\\\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\\\\\"./img.png\\\\\\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url('./img.png') xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url('./img1x.png') 1x, url('./img2x.png') 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url('./img1x.png') 1x, url('./img2x.png') 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?foo=bar#hash\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\\\"./img.png?\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url('./img.png') url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url('./img.png');\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url('img-simple.png');\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url('../url/img-simple.png');\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url('~package/img.png');\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url('~aliasesImg/img.png') ;\\\\n}\\\\n\\\\na {\\\\n  background: url(./nested/img.png);\\\\n}\\\\n\\\\na {\\\\n  background: url(nested/img.png);\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  /* Broken */\\\\n  background-image: -webkit-image-set();\\\\n  background-image: -webkit-image-set('');\\\\n  background-image: image-set();\\\\n  background-image: image-set('');\\\\n  background-image: image-set(\\\\\\"\\\\\\");\\\\n  background-image: image-set(\\\\\\"\\\\\\" 1x);\\\\n  background-image: image-set(url());\\\\n  background-image: image-set(\\\\n    url()\\\\n  );\\\\n  background-image: image-set(URL());\\\\n  background-image: image-set(url(''));\\\\n  background-image: image-set(url(\\\\\\"\\\\\\"));\\\\n  background-image: image-set(url('') 1x);\\\\n  background-image: image-set(1x);\\\\n  background-image: image-set(\\\\n    1x\\\\n  );\\\\n  background: image-set(calc(1rem + 1px) 1x);\\\\n\\\\n  /* Strings */\\\\n  background-image: -webkit-image-set(\\\\\\"./img1x.png\\\\\\" 1x, \\\\\\"./img2x.png\\\\\\" 2x);\\\\n  background-image: image-set(\\\\\\"./img1x.png\\\\\\" 1x);\\\\n  background-image: image-set(\\\\\\"./img1x.png\\\\\\" 1x, \\\\\\"./img2x.png\\\\\\" 2x);\\\\n  background-image: image-set(\\\\\\"./img img.png\\\\\\" 1x, \\\\\\"./img img.png\\\\\\" 2x);\\\\n  background-image: image-set(\\\\\\"./img1x.png\\\\\\" 1x, \\\\\\"./img2x.png\\\\\\" 2x),\\\\n    image-set(\\\\\\"./img1x.png\\\\\\" 1x, \\\\\\"./img2x.png\\\\\\" 2x);\\\\n  background-image: image-set(\\\\n    \\\\\\"./img1x.png\\\\\\" 1x,\\\\n    \\\\\\"./img2x.png\\\\\\" 2x,\\\\n    \\\\\\"./img3x.png\\\\\\" 600dpi\\\\n  );\\\\n  background-image: image-set(\\\\\\"./img1x.png?foo=bar\\\\\\" 1x);\\\\n  background-image: image-set(\\\\\\"./img1x.png#hash\\\\\\" 1x);\\\\n  background-image: image-set(\\\\\\"./img1x.png?#iefix\\\\\\" 1x);\\\\n\\\\n  /* With \`url\` function */\\\\n  background-image: -webkit-image-set(url(\\\\\\"./img1x.png\\\\\\") 1x, url(\\\\\\"./img2x.png\\\\\\") 2x);\\\\n  background-image: -webkit-image-set(url(\\\\\\"./img1x.png\\\\\\") 1x);\\\\n  background-image: -webkit-image-set(\\\\n    url(\\\\\\"./img1x.png\\\\\\") 1x\\\\n  );\\\\n  background-image: image-set(url(./img1x.png) 1x);\\\\n  background-image: image-set(\\\\n    url(./img1x.png) 1x\\\\n  );\\\\n  background-image: image-set(url(\\\\\\"./img1x.png\\\\\\") 1x, url(\\\\\\"./img2x.png\\\\\\") 2x);\\\\n  background-image: image-set(\\\\n    url(./img1x.png) 1x,\\\\n    url(./img2x.png) 2x,\\\\n    url(./img3x.png) 600dpi\\\\n  );\\\\n  background-image: image-set(url(\\\\\\"./img img.png\\\\\\") 1x, url(\\\\\\"./img img.png\\\\\\") 2x);\\\\n\\\\n  background-image: image-set(url(\\\\\\"./img1x.png\\\\\\") 1x, \\\\\\"./img2x.png\\\\\\" 2x);\\\\n}\\\\n\\", \\"\\"]);
 
 "
 `;
@@ -555,19 +722,21 @@ Array [
 }
 
 .class {
-  background: url(/webpack/public/path/img.png);
+  background: url(
+    /webpack/public/path/img.png
+  );
 }
 
 .class {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 .class {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 .class {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 .class {
@@ -575,11 +744,11 @@ Array [
 }
 
 .class {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 .class {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 .class {
@@ -746,6 +915,65 @@ a {
 @font-face {
   src: url(\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\");
 }
+
+.class {
+  /* Broken */
+  background-image: -webkit-image-set();
+  background-image: -webkit-image-set('');
+  background-image: image-set();
+  background-image: image-set('');
+  background-image: image-set(\\"\\");
+  background-image: image-set(\\"\\" 1x);
+  background-image: image-set(url());
+  background-image: image-set(
+    url()
+  );
+  background-image: image-set(URL());
+  background-image: image-set(url(''));
+  background-image: image-set(url(\\"\\"));
+  background-image: image-set(url('') 1x);
+  background-image: image-set(1x);
+  background-image: image-set(
+    1x
+  );
+  background: image-set(calc(1rem + 1px) 1x);
+
+  /* Strings */
+  background-image: -webkit-image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img img.png\\" 1x, \\"/webpack/public/path/img img.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x),
+    image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(
+    \\"/webpack/public/path/img1x.png\\" 1x,
+    \\"/webpack/public/path/img2x.png\\" 2x,
+    \\"/webpack/public/path/img3x.png\\" 600dpi
+  );
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png#hash\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png?#iefix\\" 1x);
+
+  /* With \`url\` function */
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: -webkit-image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x,
+    url(/webpack/public/path/img2x.png) 2x,
+    url(/webpack/public/path/img3x.png) 600dpi
+  );
+  background-image: image-set(url(\\"/webpack/public/path/img img.png\\") 1x, url(\\"/webpack/public/path/img img.png\\") 2x);
+
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+}
 ",
     "",
   ],
@@ -782,9 +1010,17 @@ var ___CSS_LOADER_URL___21___ = urlEscape(require(\\"../url/img-simple.png\\"));
 var ___CSS_LOADER_URL___22___ = urlEscape(require(\\"aliasesImg/img.png\\"));
 var ___CSS_LOADER_URL___23___ = urlEscape(require(\\"./nested/img.png\\"));
 var ___CSS_LOADER_URL___24___ = urlEscape(require(\\"./nested/img.png\\"));
+var ___CSS_LOADER_URL___25___ = urlEscape(require(\\"./img1x.png\\"), true);
+var ___CSS_LOADER_URL___26___ = urlEscape(require(\\"./img2x.png\\"), true);
+var ___CSS_LOADER_URL___27___ = urlEscape(require(\\"./img img.png\\"), true);
+var ___CSS_LOADER_URL___28___ = urlEscape(require(\\"./img3x.png\\"), true);
+var ___CSS_LOADER_URL___29___ = urlEscape(require(\\"./img1x.png?foo=bar\\"), true);
+var ___CSS_LOADER_URL___30___ = urlEscape(require(\\"./img1x.png\\") + \\"#hash\\", true);
+var ___CSS_LOADER_URL___31___ = urlEscape(require(\\"./img1x.png\\") + \\"?#iefix\\", true);
+var ___CSS_LOADER_URL___32___ = urlEscape(require(\\"./img3x.png\\"));
 
 // Module
-exports.push([module.id, \\".class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\", \\"\\"]);
+exports.push([module.id, \\".class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\n    \\" + ___CSS_LOADER_URL___0___ + \\"\\\\n  );\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  /* Broken */\\\\n  background-image: -webkit-image-set();\\\\n  background-image: -webkit-image-set('');\\\\n  background-image: image-set();\\\\n  background-image: image-set('');\\\\n  background-image: image-set(\\\\\\"\\\\\\");\\\\n  background-image: image-set(\\\\\\"\\\\\\" 1x);\\\\n  background-image: image-set(url());\\\\n  background-image: image-set(\\\\n    url()\\\\n  );\\\\n  background-image: image-set(URL());\\\\n  background-image: image-set(url(''));\\\\n  background-image: image-set(url(\\\\\\"\\\\\\"));\\\\n  background-image: image-set(url('') 1x);\\\\n  background-image: image-set(1x);\\\\n  background-image: image-set(\\\\n    1x\\\\n  );\\\\n  background: image-set(calc(1rem + 1px) 1x);\\\\n\\\\n  /* Strings */\\\\n  background-image: -webkit-image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___27___ + \\" 1x, \\" + ___CSS_LOADER_URL___27___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x),\\\\n    image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\\\n    \\" + ___CSS_LOADER_URL___25___ + \\" 1x,\\\\n    \\" + ___CSS_LOADER_URL___26___ + \\" 2x,\\\\n    \\" + ___CSS_LOADER_URL___28___ + \\" 600dpi\\\\n  );\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___29___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___30___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___31___ + \\" 1x);\\\\n\\\\n  /* With \`url\` function */\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: -webkit-image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x,\\\\n    url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x,\\\\n    url(\\" + ___CSS_LOADER_URL___32___ + \\") 600dpi\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___4___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___4___ + \\") 2x);\\\\n\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n}\\\\n\\", \\"\\"]);
 
 "
 `;
@@ -812,6 +1048,48 @@ Warning
 
 (136:3) Unable to find uri in 'background: green url(
   ) xyz'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(216:3) Unable to find uri in 'background-image: -webkit-image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(218:3) Unable to find uri in 'background-image: image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(219:3) Unable to find uri in 'background-image: image-set(\\"\\")'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(220:3) Unable to find uri in 'background-image: image-set(\\"\\" 1x)'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(221:3) Unable to find uri in 'background-image: image-set(url())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(222:3) Unable to find uri in 'background-image: image-set(
+    url()
+  )'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(225:3) Unable to find uri in 'background-image: image-set(URL())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(226:3) Unable to find uri in 'background-image: image-set(url(''))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(227:3) Unable to find uri in 'background-image: image-set(url(\\"\\"))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(228:3) Unable to find uri in 'background-image: image-set(url('') 1x)'",
 ]
 `;
 
@@ -846,19 +1124,21 @@ Array [
 }
 
 .class {
-  background: url(/webpack/public/path/img.png);
+  background: url(
+    /webpack/public/path/img.png
+  );
 }
 
 .class {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 .class {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 .class {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 .class {
@@ -866,11 +1146,11 @@ Array [
 }
 
 .class {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 .class {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 .class {
@@ -1039,6 +1319,65 @@ a {
 @font-face {
   src: url(\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\");
 }
+
+.class {
+  /* Broken */
+  background-image: -webkit-image-set();
+  background-image: -webkit-image-set('');
+  background-image: image-set();
+  background-image: image-set('');
+  background-image: image-set(\\"\\");
+  background-image: image-set(\\"\\" 1x);
+  background-image: image-set(url());
+  background-image: image-set(
+    url()
+  );
+  background-image: image-set(URL());
+  background-image: image-set(url(''));
+  background-image: image-set(url(\\"\\"));
+  background-image: image-set(url('') 1x);
+  background-image: image-set(1x);
+  background-image: image-set(
+    1x
+  );
+  background: image-set(calc(1rem + 1px) 1x);
+
+  /* Strings */
+  background-image: -webkit-image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img img.png\\" 1x, \\"/webpack/public/path/img img.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x),
+    image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(
+    \\"/webpack/public/path/img1x.png\\" 1x,
+    \\"/webpack/public/path/img2x.png\\" 2x,
+    \\"/webpack/public/path/img3x.png\\" 600dpi
+  );
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png#hash\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png?#iefix\\" 1x);
+
+  /* With \`url\` function */
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: -webkit-image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x,
+    url(/webpack/public/path/img2x.png) 2x,
+    url(/webpack/public/path/img3x.png) 600dpi
+  );
+  background-image: image-set(url(\\"/webpack/public/path/img img.png\\") 1x, url(\\"/webpack/public/path/img img.png\\") 2x);
+
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+}
 ",
     "",
   ],
@@ -1075,9 +1414,17 @@ var ___CSS_LOADER_URL___21___ = urlEscape(require(\\"../url/img-simple.png\\"));
 var ___CSS_LOADER_URL___22___ = urlEscape(require(\\"aliasesImg/img.png\\"));
 var ___CSS_LOADER_URL___23___ = urlEscape(require(\\"./nested/img.png\\"));
 var ___CSS_LOADER_URL___24___ = urlEscape(require(\\"./nested/img.png\\"));
+var ___CSS_LOADER_URL___25___ = urlEscape(require(\\"./img1x.png\\"), true);
+var ___CSS_LOADER_URL___26___ = urlEscape(require(\\"./img2x.png\\"), true);
+var ___CSS_LOADER_URL___27___ = urlEscape(require(\\"./img img.png\\"), true);
+var ___CSS_LOADER_URL___28___ = urlEscape(require(\\"./img3x.png\\"), true);
+var ___CSS_LOADER_URL___29___ = urlEscape(require(\\"./img1x.png?foo=bar\\"), true);
+var ___CSS_LOADER_URL___30___ = urlEscape(require(\\"./img1x.png\\") + \\"#hash\\", true);
+var ___CSS_LOADER_URL___31___ = urlEscape(require(\\"./img1x.png\\") + \\"?#iefix\\", true);
+var ___CSS_LOADER_URL___32___ = urlEscape(require(\\"./img3x.png\\"));
 
 // Module
-exports.push([module.id, \\".class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  \\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\", \\"\\"]);
+exports.push([module.id, \\".class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\n    \\" + ___CSS_LOADER_URL___0___ + \\"\\\\n  );\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  \\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  /* Broken */\\\\n  background-image: -webkit-image-set();\\\\n  background-image: -webkit-image-set('');\\\\n  background-image: image-set();\\\\n  background-image: image-set('');\\\\n  background-image: image-set(\\\\\\"\\\\\\");\\\\n  background-image: image-set(\\\\\\"\\\\\\" 1x);\\\\n  background-image: image-set(url());\\\\n  background-image: image-set(\\\\n    url()\\\\n  );\\\\n  background-image: image-set(URL());\\\\n  background-image: image-set(url(''));\\\\n  background-image: image-set(url(\\\\\\"\\\\\\"));\\\\n  background-image: image-set(url('') 1x);\\\\n  background-image: image-set(1x);\\\\n  background-image: image-set(\\\\n    1x\\\\n  );\\\\n  background: image-set(calc(1rem + 1px) 1x);\\\\n\\\\n  /* Strings */\\\\n  background-image: -webkit-image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___27___ + \\" 1x, \\" + ___CSS_LOADER_URL___27___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x),\\\\n    image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\\\n    \\" + ___CSS_LOADER_URL___25___ + \\" 1x,\\\\n    \\" + ___CSS_LOADER_URL___26___ + \\" 2x,\\\\n    \\" + ___CSS_LOADER_URL___28___ + \\" 600dpi\\\\n  );\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___29___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___30___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___31___ + \\" 1x);\\\\n\\\\n  /* With \`url\` function */\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: -webkit-image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x,\\\\n    url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x,\\\\n    url(\\" + ___CSS_LOADER_URL___32___ + \\") 600dpi\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___4___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___4___ + \\") 2x);\\\\n\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n}\\\\n\\", \\"\\"]);
 
 "
 `;
@@ -1106,6 +1453,48 @@ Warning
 (136:3) Unable to find uri in 'background: green url(
   
   ) xyz'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(216:3) Unable to find uri in 'background-image: -webkit-image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(218:3) Unable to find uri in 'background-image: image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(219:3) Unable to find uri in 'background-image: image-set(\\"\\")'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(220:3) Unable to find uri in 'background-image: image-set(\\"\\" 1x)'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(221:3) Unable to find uri in 'background-image: image-set(url())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(222:3) Unable to find uri in 'background-image: image-set(
+    url()
+  )'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(225:3) Unable to find uri in 'background-image: image-set(URL())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(226:3) Unable to find uri in 'background-image: image-set(url(''))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(227:3) Unable to find uri in 'background-image: image-set(url(\\"\\"))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(228:3) Unable to find uri in 'background-image: image-set(url('') 1x)'",
 ]
 `;
 
@@ -1140,19 +1529,21 @@ Array [
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: url(/webpack/public/path/img.png);
+  background: url(
+    /webpack/public/path/img.png
+  );
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
@@ -1160,11 +1551,11 @@ Array [
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
@@ -1333,6 +1724,65 @@ a {
 @font-face {
   src: url(\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\");
 }
+
+._7NvzxsKlD5xT5cUVu5Ad- {
+  /* Broken */
+  background-image: -webkit-image-set();
+  background-image: -webkit-image-set('');
+  background-image: image-set();
+  background-image: image-set('');
+  background-image: image-set(\\"\\");
+  background-image: image-set(\\"\\" 1x);
+  background-image: image-set(url());
+  background-image: image-set(
+    url()
+  );
+  background-image: image-set(URL());
+  background-image: image-set(url(''));
+  background-image: image-set(url(\\"\\"));
+  background-image: image-set(url('') 1x);
+  background-image: image-set(1x);
+  background-image: image-set(
+    1x
+  );
+  background: image-set(calc(1rem + 1px) 1x);
+
+  /* Strings */
+  background-image: -webkit-image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img img.png\\" 1x, \\"/webpack/public/path/img img.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x),
+    image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(
+    \\"/webpack/public/path/img1x.png\\" 1x,
+    \\"/webpack/public/path/img2x.png\\" 2x,
+    \\"/webpack/public/path/img3x.png\\" 600dpi
+  );
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png#hash\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png?#iefix\\" 1x);
+
+  /* With \`url\` function */
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: -webkit-image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x,
+    url(/webpack/public/path/img2x.png) 2x,
+    url(/webpack/public/path/img3x.png) 600dpi
+  );
+  background-image: image-set(url(\\"/webpack/public/path/img img.png\\") 1x, url(\\"/webpack/public/path/img img.png\\") 2x);
+
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+}
 ",
     "",
   ],
@@ -1369,9 +1819,17 @@ var ___CSS_LOADER_URL___21___ = urlEscape(require(\\"../url/img-simple.png\\"));
 var ___CSS_LOADER_URL___22___ = urlEscape(require(\\"aliasesImg/img.png\\"));
 var ___CSS_LOADER_URL___23___ = urlEscape(require(\\"./nested/img.png\\"));
 var ___CSS_LOADER_URL___24___ = urlEscape(require(\\"./nested/img.png\\"));
+var ___CSS_LOADER_URL___25___ = urlEscape(require(\\"./img1x.png\\"), true);
+var ___CSS_LOADER_URL___26___ = urlEscape(require(\\"./img2x.png\\"), true);
+var ___CSS_LOADER_URL___27___ = urlEscape(require(\\"./img img.png\\"), true);
+var ___CSS_LOADER_URL___28___ = urlEscape(require(\\"./img3x.png\\"), true);
+var ___CSS_LOADER_URL___29___ = urlEscape(require(\\"./img1x.png?foo=bar\\"), true);
+var ___CSS_LOADER_URL___30___ = urlEscape(require(\\"./img1x.png\\") + \\"#hash\\", true);
+var ___CSS_LOADER_URL___31___ = urlEscape(require(\\"./img1x.png\\") + \\"?#iefix\\", true);
+var ___CSS_LOADER_URL___32___ = urlEscape(require(\\"./img3x.png\\"));
 
 // Module
-exports.push([module.id, \\"._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.lml_5t-nQdGlKc9OtKjUO {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.lml_5t-nQdGlKc9OtKjUO {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes O9YPhh3OZdzrkj25z-J92 {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._1fj5hnOVZ8KZVIGyZbPW3p {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n._1fj5hnOVZ8KZVIGyZbPW3p {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\\\n  \\\\n  \\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n._2rb58RF5u2ij-3X8XSJaVP {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.mrf4tRz4T71pNku_3IMH3 {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.c5dNFA35opKWoGz7aRj0k {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n._2Q5a0g3xEHAboOADfIxHa5 {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n._2TX-7lb63hK5h5DzELIAbU {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\", \\"\\"]);
+exports.push([module.id, \\"._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\\\n    \\" + ___CSS_LOADER_URL___0___ + \\"\\\\n  );\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.lml_5t-nQdGlKc9OtKjUO {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.lml_5t-nQdGlKc9OtKjUO {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes O9YPhh3OZdzrkj25z-J92 {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._1fj5hnOVZ8KZVIGyZbPW3p {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n._1fj5hnOVZ8KZVIGyZbPW3p {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\\\n  \\\\n  \\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n._2rb58RF5u2ij-3X8XSJaVP {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.mrf4tRz4T71pNku_3IMH3 {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.c5dNFA35opKWoGz7aRj0k {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n._2Q5a0g3xEHAboOADfIxHa5 {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n._2TX-7lb63hK5h5DzELIAbU {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  /* Broken */\\\\n  background-image: -webkit-image-set();\\\\n  background-image: -webkit-image-set('');\\\\n  background-image: image-set();\\\\n  background-image: image-set('');\\\\n  background-image: image-set(\\\\\\"\\\\\\");\\\\n  background-image: image-set(\\\\\\"\\\\\\" 1x);\\\\n  background-image: image-set(url());\\\\n  background-image: image-set(\\\\n    url()\\\\n  );\\\\n  background-image: image-set(URL());\\\\n  background-image: image-set(url(''));\\\\n  background-image: image-set(url(\\\\\\"\\\\\\"));\\\\n  background-image: image-set(url('') 1x);\\\\n  background-image: image-set(1x);\\\\n  background-image: image-set(\\\\n    1x\\\\n  );\\\\n  background: image-set(calc(1rem + 1px) 1x);\\\\n\\\\n  /* Strings */\\\\n  background-image: -webkit-image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___27___ + \\" 1x, \\" + ___CSS_LOADER_URL___27___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x),\\\\n    image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\\\n    \\" + ___CSS_LOADER_URL___25___ + \\" 1x,\\\\n    \\" + ___CSS_LOADER_URL___26___ + \\" 2x,\\\\n    \\" + ___CSS_LOADER_URL___28___ + \\" 600dpi\\\\n  );\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___29___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___30___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___31___ + \\" 1x);\\\\n\\\\n  /* With \`url\` function */\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: -webkit-image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x,\\\\n    url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x,\\\\n    url(\\" + ___CSS_LOADER_URL___32___ + \\") 600dpi\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___4___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___4___ + \\") 2x);\\\\n\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n}\\\\n\\", \\"\\"]);
 
 // Exports
 exports.locals = {
@@ -1411,6 +1869,48 @@ Warning
 (136:3) Unable to find uri in 'background: green url(
   
   ) xyz'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(216:3) Unable to find uri in 'background-image: -webkit-image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(218:3) Unable to find uri in 'background-image: image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(219:3) Unable to find uri in 'background-image: image-set(\\"\\")'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(220:3) Unable to find uri in 'background-image: image-set(\\"\\" 1x)'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(221:3) Unable to find uri in 'background-image: image-set(url())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(222:3) Unable to find uri in 'background-image: image-set(
+    url()
+  )'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(225:3) Unable to find uri in 'background-image: image-set(URL())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(226:3) Unable to find uri in 'background-image: image-set(url(''))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(227:3) Unable to find uri in 'background-image: image-set(url(\\"\\"))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(228:3) Unable to find uri in 'background-image: image-set(url('') 1x)'",
 ]
 `;
 
@@ -1445,19 +1945,21 @@ Array [
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: url(/webpack/public/path/img.png);
+  background: url(
+    /webpack/public/path/img.png
+  );
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
@@ -1465,11 +1967,11 @@ Array [
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 ._7NvzxsKlD5xT5cUVu5Ad- {
@@ -1638,6 +2140,65 @@ a {
 @font-face {
   src: url(\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\");
 }
+
+._7NvzxsKlD5xT5cUVu5Ad- {
+  /* Broken */
+  background-image: -webkit-image-set();
+  background-image: -webkit-image-set('');
+  background-image: image-set();
+  background-image: image-set('');
+  background-image: image-set(\\"\\");
+  background-image: image-set(\\"\\" 1x);
+  background-image: image-set(url());
+  background-image: image-set(
+    url()
+  );
+  background-image: image-set(URL());
+  background-image: image-set(url(''));
+  background-image: image-set(url(\\"\\"));
+  background-image: image-set(url('') 1x);
+  background-image: image-set(1x);
+  background-image: image-set(
+    1x
+  );
+  background: image-set(calc(1rem + 1px) 1x);
+
+  /* Strings */
+  background-image: -webkit-image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img img.png\\" 1x, \\"/webpack/public/path/img img.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x),
+    image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(
+    \\"/webpack/public/path/img1x.png\\" 1x,
+    \\"/webpack/public/path/img2x.png\\" 2x,
+    \\"/webpack/public/path/img3x.png\\" 600dpi
+  );
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png#hash\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png?#iefix\\" 1x);
+
+  /* With \`url\` function */
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: -webkit-image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x,
+    url(/webpack/public/path/img2x.png) 2x,
+    url(/webpack/public/path/img3x.png) 600dpi
+  );
+  background-image: image-set(url(\\"/webpack/public/path/img img.png\\") 1x, url(\\"/webpack/public/path/img img.png\\") 2x);
+
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+}
 ",
     "",
   ],
@@ -1674,9 +2235,17 @@ var ___CSS_LOADER_URL___21___ = urlEscape(require(\\"../url/img-simple.png\\"));
 var ___CSS_LOADER_URL___22___ = urlEscape(require(\\"aliasesImg/img.png\\"));
 var ___CSS_LOADER_URL___23___ = urlEscape(require(\\"./nested/img.png\\"));
 var ___CSS_LOADER_URL___24___ = urlEscape(require(\\"./nested/img.png\\"));
+var ___CSS_LOADER_URL___25___ = urlEscape(require(\\"./img1x.png\\"), true);
+var ___CSS_LOADER_URL___26___ = urlEscape(require(\\"./img2x.png\\"), true);
+var ___CSS_LOADER_URL___27___ = urlEscape(require(\\"./img img.png\\"), true);
+var ___CSS_LOADER_URL___28___ = urlEscape(require(\\"./img3x.png\\"), true);
+var ___CSS_LOADER_URL___29___ = urlEscape(require(\\"./img1x.png?foo=bar\\"), true);
+var ___CSS_LOADER_URL___30___ = urlEscape(require(\\"./img1x.png\\") + \\"#hash\\", true);
+var ___CSS_LOADER_URL___31___ = urlEscape(require(\\"./img1x.png\\") + \\"?#iefix\\", true);
+var ___CSS_LOADER_URL___32___ = urlEscape(require(\\"./img3x.png\\"));
 
 // Module
-exports.push([module.id, \\"._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.lml_5t-nQdGlKc9OtKjUO {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.lml_5t-nQdGlKc9OtKjUO {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes O9YPhh3OZdzrkj25z-J92 {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._1fj5hnOVZ8KZVIGyZbPW3p {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n._1fj5hnOVZ8KZVIGyZbPW3p {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\\\n  \\\\n  \\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n._2rb58RF5u2ij-3X8XSJaVP {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.mrf4tRz4T71pNku_3IMH3 {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.c5dNFA35opKWoGz7aRj0k {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n._2Q5a0g3xEHAboOADfIxHa5 {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n._2TX-7lb63hK5h5DzELIAbU {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\", \\"\\"]);
+exports.push([module.id, \\"._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\\\n    \\" + ___CSS_LOADER_URL___0___ + \\"\\\\n  );\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.lml_5t-nQdGlKc9OtKjUO {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.lml_5t-nQdGlKc9OtKjUO {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes O9YPhh3OZdzrkj25z-J92 {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n._1fj5hnOVZ8KZVIGyZbPW3p {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n._1fj5hnOVZ8KZVIGyZbPW3p {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(\\\\n  \\\\n  \\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n._2rb58RF5u2ij-3X8XSJaVP {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.mrf4tRz4T71pNku_3IMH3 {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.c5dNFA35opKWoGz7aRj0k {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n._2Q5a0g3xEHAboOADfIxHa5 {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n._2TX-7lb63hK5h5DzELIAbU {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\\\n._7NvzxsKlD5xT5cUVu5Ad- {\\\\n  /* Broken */\\\\n  background-image: -webkit-image-set();\\\\n  background-image: -webkit-image-set('');\\\\n  background-image: image-set();\\\\n  background-image: image-set('');\\\\n  background-image: image-set(\\\\\\"\\\\\\");\\\\n  background-image: image-set(\\\\\\"\\\\\\" 1x);\\\\n  background-image: image-set(url());\\\\n  background-image: image-set(\\\\n    url()\\\\n  );\\\\n  background-image: image-set(URL());\\\\n  background-image: image-set(url(''));\\\\n  background-image: image-set(url(\\\\\\"\\\\\\"));\\\\n  background-image: image-set(url('') 1x);\\\\n  background-image: image-set(1x);\\\\n  background-image: image-set(\\\\n    1x\\\\n  );\\\\n  background: image-set(calc(1rem + 1px) 1x);\\\\n\\\\n  /* Strings */\\\\n  background-image: -webkit-image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___27___ + \\" 1x, \\" + ___CSS_LOADER_URL___27___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x),\\\\n    image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\\\n    \\" + ___CSS_LOADER_URL___25___ + \\" 1x,\\\\n    \\" + ___CSS_LOADER_URL___26___ + \\" 2x,\\\\n    \\" + ___CSS_LOADER_URL___28___ + \\" 600dpi\\\\n  );\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___29___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___30___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___31___ + \\" 1x);\\\\n\\\\n  /* With \`url\` function */\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: -webkit-image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x,\\\\n    url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x,\\\\n    url(\\" + ___CSS_LOADER_URL___32___ + \\") 600dpi\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___4___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___4___ + \\") 2x);\\\\n\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n}\\\\n\\", \\"\\"]);
 
 // Exports
 exports.locals = {
@@ -1716,6 +2285,48 @@ Warning
 (136:3) Unable to find uri in 'background: green url(
   
   ) xyz'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(216:3) Unable to find uri in 'background-image: -webkit-image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(218:3) Unable to find uri in 'background-image: image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(219:3) Unable to find uri in 'background-image: image-set(\\"\\")'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(220:3) Unable to find uri in 'background-image: image-set(\\"\\" 1x)'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(221:3) Unable to find uri in 'background-image: image-set(url())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(222:3) Unable to find uri in 'background-image: image-set(
+    url()
+  )'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(225:3) Unable to find uri in 'background-image: image-set(URL())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(226:3) Unable to find uri in 'background-image: image-set(url(''))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(227:3) Unable to find uri in 'background-image: image-set(url(\\"\\"))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(228:3) Unable to find uri in 'background-image: image-set(url('') 1x)'",
 ]
 `;
 
@@ -1750,19 +2361,21 @@ Array [
 }
 
 .class {
-  background: url(/webpack/public/path/img.png);
+  background: url(
+    /webpack/public/path/img.png
+  );
 }
 
 .class {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 .class {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 .class {
-  background: green url(/webpack/public/path/img.png) xyz;
+  background: green url( /webpack/public/path/img.png ) xyz;
 }
 
 .class {
@@ -1770,11 +2383,11 @@ Array [
 }
 
 .class {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 .class {
-  background: green url(\\"/webpack/public/path/img img.png\\") xyz;
+  background: green url( \\"/webpack/public/path/img img.png\\" ) xyz;
 }
 
 .class {
@@ -1941,6 +2554,65 @@ a {
 @font-face {
   src: url(\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\");
 }
+
+.class {
+  /* Broken */
+  background-image: -webkit-image-set();
+  background-image: -webkit-image-set('');
+  background-image: image-set();
+  background-image: image-set('');
+  background-image: image-set(\\"\\");
+  background-image: image-set(\\"\\" 1x);
+  background-image: image-set(url());
+  background-image: image-set(
+    url()
+  );
+  background-image: image-set(URL());
+  background-image: image-set(url(''));
+  background-image: image-set(url(\\"\\"));
+  background-image: image-set(url('') 1x);
+  background-image: image-set(1x);
+  background-image: image-set(
+    1x
+  );
+  background: image-set(calc(1rem + 1px) 1x);
+
+  /* Strings */
+  background-image: -webkit-image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img img.png\\" 1x, \\"/webpack/public/path/img img.png\\" 2x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x),
+    image-set(\\"/webpack/public/path/img1x.png\\" 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+  background-image: image-set(
+    \\"/webpack/public/path/img1x.png\\" 1x,
+    \\"/webpack/public/path/img2x.png\\" 2x,
+    \\"/webpack/public/path/img3x.png\\" 600dpi
+  );
+  background-image: image-set(\\"/webpack/public/path/img1x.png\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png#hash\\" 1x);
+  background-image: image-set(\\"/webpack/public/path/img1x.png?#iefix\\" 1x);
+
+  /* With \`url\` function */
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: -webkit-image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: -webkit-image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x
+  );
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, url(/webpack/public/path/img2x.png) 2x);
+  background-image: image-set(
+    url(/webpack/public/path/img1x.png) 1x,
+    url(/webpack/public/path/img2x.png) 2x,
+    url(/webpack/public/path/img3x.png) 600dpi
+  );
+  background-image: image-set(url(\\"/webpack/public/path/img img.png\\") 1x, url(\\"/webpack/public/path/img img.png\\") 2x);
+
+  background-image: image-set(url(/webpack/public/path/img1x.png) 1x, \\"/webpack/public/path/img2x.png\\" 2x);
+}
 ",
     "",
   ],
@@ -1977,9 +2649,17 @@ var ___CSS_LOADER_URL___21___ = urlEscape(require(\\"../url/img-simple.png\\"));
 var ___CSS_LOADER_URL___22___ = urlEscape(require(\\"aliasesImg/img.png\\"));
 var ___CSS_LOADER_URL___23___ = urlEscape(require(\\"./nested/img.png\\"));
 var ___CSS_LOADER_URL___24___ = urlEscape(require(\\"./nested/img.png\\"));
+var ___CSS_LOADER_URL___25___ = urlEscape(require(\\"./img1x.png\\"), true);
+var ___CSS_LOADER_URL___26___ = urlEscape(require(\\"./img2x.png\\"), true);
+var ___CSS_LOADER_URL___27___ = urlEscape(require(\\"./img img.png\\"), true);
+var ___CSS_LOADER_URL___28___ = urlEscape(require(\\"./img3x.png\\"), true);
+var ___CSS_LOADER_URL___29___ = urlEscape(require(\\"./img1x.png?foo=bar\\"), true);
+var ___CSS_LOADER_URL___30___ = urlEscape(require(\\"./img1x.png\\") + \\"#hash\\", true);
+var ___CSS_LOADER_URL___31___ = urlEscape(require(\\"./img1x.png\\") + \\"?#iefix\\", true);
+var ___CSS_LOADER_URL___32___ = urlEscape(require(\\"./img3x.png\\"));
 
 // Module
-exports.push([module.id, \\".class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___4___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\", \\"\\"]);
+exports.push([module.id, \\".class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___1___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\\\n    \\" + ___CSS_LOADER_URL___0___ + \\"\\\\n  );\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___0___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___2___ + \\") url(\\" + ___CSS_LOADER_URL___3___ + \\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url( \\" + ___CSS_LOADER_URL___4___ + \\" ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(/img.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(data:image/png;base64,AAA) url(http://example.com/image.jpg) url(//example.com/image.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\\\\\"data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20viewBox%3D%270%200%2042%2026%27%20fill%3D%27%2523007aff%27%3E%3Crect%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%271%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2711%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2712%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3Crect%20y%3D%2722%27%20width%3D%274%27%20height%3D%274%27%2F%3E%3Crect%20x%3D%278%27%20y%3D%2723%27%20width%3D%2734%27%20height%3D%272%27%2F%3E%3C%2Fsvg%3E\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,<svg xmlns=\\\\\\"http://www.w3.org/2000/svg\\\\\\"><filter id=\\\\\\"filter\\\\\\"><feGaussianBlur in=\\\\\\"SourceAlpha\\\\\\" stdDeviation=\\\\\\"0\\\\\\" /><feOffset dx=\\\\\\"1\\\\\\" dy=\\\\\\"2\\\\\\" result=\\\\\\"offsetblur\\\\\\" /><feFlood flood-color=\\\\\\"rgba(255,255,255,1)\\\\\\" /><feComposite in2=\\\\\\"offsetblur\\\\\\" operator=\\\\\\"in\\\\\\" /><feMerge><feMergeNode /><feMergeNode in=\\\\\\"SourceGraphic\\\\\\" /></feMerge></filter></svg>#filter');\\\\n}\\\\n\\\\n.class {\\\\n  filter: url('data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D%5C%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%5C%22%3E%3Cfilter%20id%3D%5C%22filter%5C%22%3E%3CfeGaussianBlur%20in%3D%5C%22SourceAlpha%5C%22%20stdDeviation%3D%5C%220%5C%22%20%2F%3E%3CfeOffset%20dx%3D%5C%221%5C%22%20dy%3D%5C%222%5C%22%20result%3D%5C%22offsetblur%5C%22%20%2F%3E%3CfeFlood%20flood-color%3D%5C%22rgba(255%2C255%2C255%2C1)%5C%22%20%2F%3E%3CfeComposite%20in2%3D%5C%22offsetblur%5C%22%20operator%3D%5C%22in%5C%22%20%2F%3E%3CfeMerge%3E%3CfeMergeNode%20%2F%3E%3CfeMergeNode%20in%3D%5C%22SourceGraphic%5C%22%20%2F%3E%3C%2FfeMerge%3E%3C%2Ffilter%3E%3C%2Fsvg%3E%23filter');\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url(#highlight);\\\\n}\\\\n\\\\n.highlight {\\\\n  filter: url('#line-marker');\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\" + ___CSS_LOADER_URL___5___ + \\") format('woff'),\\\\n    url(\\" + ___CSS_LOADER_URL___6___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___7___ + \\") format('eot'),\\\\n    url(\\" + ___CSS_LOADER_URL___8___ + \\") format('truetype'),\\\\n    url(\\" + ___CSS_LOADER_URL___9___ + \\") format(\\\\\\"embedded-opentype\\\\\\"),\\\\n    url(\\" + ___CSS_LOADER_URL___10___ + \\") format('svg'),\\\\n    url(\\" + ___CSS_LOADER_URL___11___ + \\") format('woff2'),\\\\n    url(\\" + ___CSS_LOADER_URL___12___ + \\") format('embedded-opentype'),\\\\n    url(\\" + ___CSS_LOADER_URL___13___ + \\") format('embedded-opentype');\\\\n}\\\\n\\\\n@media (min-width: 500px) {\\\\n  body {\\\\n    background: url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n  }\\\\n}\\\\n\\\\na {\\\\n  content: \\\\\\"do not use url(path)\\\\\\";\\\\n}\\\\n\\\\nb {\\\\n  content: 'do not \\\\\\"use\\\\\\" url(path)';\\\\n}\\\\n\\\\n@keyframes anim {\\\\n  background: green url(\\" + ___CSS_LOADER_URL___0___ + \\") xyz;\\\\n}\\\\n\\\\n.a {\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.a {\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x)\\\\n}\\\\n\\\\n.class {\\\\n  background: green url() xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\\\"\\\\\\") xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url('   ') xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(\\\\n  \\\\n  ) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(https://raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: green url(//raw.githubusercontent.com/webpack/media/master/logo/icon.png) xyz;\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___16___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___17___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___18___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: url(\\" + ___CSS_LOADER_URL___19___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background-image: url(\\" + ___CSS_LOADER_URL___0___ + \\") url(\\\\\\"data:image/svg+xml;charset=utf-8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 42 26' fill='%23007aff'><rect width='4' height='4'/><rect x='8' y='1' width='34' height='2'/><rect y='11' width='4' height='4'/><rect x='8' y='12' width='34' height='2'/><rect y='22' width='4' height='4'/><rect x='8' y='23' width='34' height='2'/></svg>\\\\\\") url(\\" + ___CSS_LOADER_URL___0___ + \\");\\\\n}\\\\n\\\\n.class {\\\\n  background: ___CSS_LOADER_URL___;\\\\n  background: ___CSS_LOADER_URL___INDEX___;\\\\n  background: ___CSS_LOADER_URL___99999___;\\\\n  background: ___CSS_LOADER_IMPORT___;\\\\n  background: ___CSS_LOADER_IMPORT___INDEX___;\\\\n  background: ___CSS_LOADER_IMPORT___99999___;\\\\n}\\\\n\\\\n.pure-url {\\\\n  background: url(\\" + ___CSS_LOADER_URL___20___ + \\");\\\\n}\\\\n\\\\n.not-resolved {\\\\n  background: url('/img-simple.png');\\\\n}\\\\n\\\\n.above-below {\\\\n  background: url(\\" + ___CSS_LOADER_URL___21___ + \\");\\\\n}\\\\n\\\\n.tilde {\\\\n  background: url(\\" + ___CSS_LOADER_URL___2___ + \\");\\\\n}\\\\n\\\\n.aliases {\\\\n  background: url(\\" + ___CSS_LOADER_URL___22___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___23___ + \\");\\\\n}\\\\n\\\\na {\\\\n  background: url(\\" + ___CSS_LOADER_URL___24___ + \\");\\\\n}\\\\n\\\\n@font-face {\\\\n  src: url(\\\\\\"//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot\\\\\\");\\\\n}\\\\n\\\\n.class {\\\\n  /* Broken */\\\\n  background-image: -webkit-image-set();\\\\n  background-image: -webkit-image-set('');\\\\n  background-image: image-set();\\\\n  background-image: image-set('');\\\\n  background-image: image-set(\\\\\\"\\\\\\");\\\\n  background-image: image-set(\\\\\\"\\\\\\" 1x);\\\\n  background-image: image-set(url());\\\\n  background-image: image-set(\\\\n    url()\\\\n  );\\\\n  background-image: image-set(URL());\\\\n  background-image: image-set(url(''));\\\\n  background-image: image-set(url(\\\\\\"\\\\\\"));\\\\n  background-image: image-set(url('') 1x);\\\\n  background-image: image-set(1x);\\\\n  background-image: image-set(\\\\n    1x\\\\n  );\\\\n  background: image-set(calc(1rem + 1px) 1x);\\\\n\\\\n  /* Strings */\\\\n  background-image: -webkit-image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___27___ + \\" 1x, \\" + ___CSS_LOADER_URL___27___ + \\" 2x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x),\\\\n    image-set(\\" + ___CSS_LOADER_URL___25___ + \\" 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n  background-image: image-set(\\\\n    \\" + ___CSS_LOADER_URL___25___ + \\" 1x,\\\\n    \\" + ___CSS_LOADER_URL___26___ + \\" 2x,\\\\n    \\" + ___CSS_LOADER_URL___28___ + \\" 600dpi\\\\n  );\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___29___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___30___ + \\" 1x);\\\\n  background-image: image-set(\\" + ___CSS_LOADER_URL___31___ + \\" 1x);\\\\n\\\\n  /* With \`url\` function */\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: -webkit-image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: -webkit-image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x);\\\\n  background-image: image-set(\\\\n    url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x,\\\\n    url(\\" + ___CSS_LOADER_URL___15___ + \\") 2x,\\\\n    url(\\" + ___CSS_LOADER_URL___32___ + \\") 600dpi\\\\n  );\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___4___ + \\") 1x, url(\\" + ___CSS_LOADER_URL___4___ + \\") 2x);\\\\n\\\\n  background-image: image-set(url(\\" + ___CSS_LOADER_URL___14___ + \\") 1x, \\" + ___CSS_LOADER_URL___26___ + \\" 2x);\\\\n}\\\\n\\", \\"\\"]);
 
 "
 `;
@@ -2007,5 +2687,47 @@ Warning
 
 (136:3) Unable to find uri in 'background: green url(
   ) xyz'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(216:3) Unable to find uri in 'background-image: -webkit-image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(218:3) Unable to find uri in 'background-image: image-set('')'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(219:3) Unable to find uri in 'background-image: image-set(\\"\\")'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(220:3) Unable to find uri in 'background-image: image-set(\\"\\" 1x)'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(221:3) Unable to find uri in 'background-image: image-set(url())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(222:3) Unable to find uri in 'background-image: image-set(
+    url()
+  )'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(225:3) Unable to find uri in 'background-image: image-set(URL())'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(226:3) Unable to find uri in 'background-image: image-set(url(''))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(227:3) Unable to find uri in 'background-image: image-set(url(\\"\\"))'",
+  "ModuleWarning: Module Warning (from \`replaced original path\`):
+Warning
+
+(228:3) Unable to find uri in 'background-image: image-set(url('') 1x)'",
 ]
 `;
diff --git a/test/fixtures/url/img3x.png b/test/fixtures/url/img3x.png
new file mode 100644
index 00000000..b74b839e
Binary files /dev/null and b/test/fixtures/url/img3x.png differ
diff --git a/test/fixtures/url/url.css b/test/fixtures/url/url.css
index 2e7091f3..b061391e 100644
--- a/test/fixtures/url/url.css
+++ b/test/fixtures/url/url.css
@@ -209,3 +209,62 @@ a {
 @font-face {
   src: url("//at.alicdn.com/t/font_515771_emcns5054x3whfr.eot");
 }
+
+.class {
+  /* Broken */
+  background-image: -webkit-image-set();
+  background-image: -webkit-image-set('');
+  background-image: image-set();
+  background-image: image-set('');
+  background-image: image-set("");
+  background-image: image-set("" 1x);
+  background-image: image-set(url());
+  background-image: image-set(
+    url()
+  );
+  background-image: image-set(URL());
+  background-image: image-set(url(''));
+  background-image: image-set(url(""));
+  background-image: image-set(url('') 1x);
+  background-image: image-set(1x);
+  background-image: image-set(
+    1x
+  );
+  background: image-set(calc(1rem + 1px) 1x);
+
+  /* Strings */
+  background-image: -webkit-image-set("./img1x.png" 1x, "./img2x.png" 2x);
+  background-image: image-set("./img1x.png" 1x);
+  background-image: image-set("./img1x.png" 1x, "./img2x.png" 2x);
+  background-image: image-set("./img img.png" 1x, "./img img.png" 2x);
+  background-image: image-set("./img1x.png" 1x, "./img2x.png" 2x),
+    image-set("./img1x.png" 1x, "./img2x.png" 2x);
+  background-image: image-set(
+    "./img1x.png" 1x,
+    "./img2x.png" 2x,
+    "./img3x.png" 600dpi
+  );
+  background-image: image-set("./img1x.png?foo=bar" 1x);
+  background-image: image-set("./img1x.png#hash" 1x);
+  background-image: image-set("./img1x.png?#iefix" 1x);
+
+  /* With `url` function */
+  background-image: -webkit-image-set(url("./img1x.png") 1x, url("./img2x.png") 2x);
+  background-image: -webkit-image-set(url("./img1x.png") 1x);
+  background-image: -webkit-image-set(
+    url("./img1x.png") 1x
+  );
+  background-image: image-set(url(./img1x.png) 1x);
+  background-image: image-set(
+    url(./img1x.png) 1x
+  );
+  background-image: image-set(url("./img1x.png") 1x, url("./img2x.png") 2x);
+  background-image: image-set(
+    url(./img1x.png) 1x,
+    url(./img2x.png) 2x,
+    url(./img3x.png) 600dpi
+  );
+  background-image: image-set(url("./img img.png") 1x, url("./img img.png") 2x);
+
+  background-image: image-set(url("./img1x.png") 1x, "./img2x.png" 2x);
+}
diff --git a/test/runtime/__snapshots__/url-escape.test.js.snap b/test/runtime/__snapshots__/url-escape.test.js.snap
index 06fb301a..b26876d2 100644
--- a/test/runtime/__snapshots__/url-escape.test.js.snap
+++ b/test/runtime/__snapshots__/url-escape.test.js.snap
@@ -17,3 +17,9 @@ exports[`escape should escape url 7`] = `"\\"image other.png\\""`;
 exports[`escape should escape url 8`] = `"\\"image\\\\\\"other.png\\""`;
 
 exports[`escape should escape url 9`] = `"\\"image\\\\nother.png\\""`;
+
+exports[`escape should escape url 10`] = `"\\"image.png\\""`;
+
+exports[`escape should escape url 11`] = `"\\"image other.png\\""`;
+
+exports[`escape should escape url 12`] = `"\\"image other.png\\""`;
diff --git a/test/runtime/url-escape.test.js b/test/runtime/url-escape.test.js
index dc7eb892..83e33ace 100644
--- a/test/runtime/url-escape.test.js
+++ b/test/runtime/url-escape.test.js
@@ -11,5 +11,9 @@ describe('escape', () => {
     expect(urlEscape("'image other.png'")).toMatchSnapshot();
     expect(urlEscape('image"other.png')).toMatchSnapshot();
     expect(urlEscape('image\nother.png')).toMatchSnapshot();
+
+    expect(urlEscape('image.png', true)).toMatchSnapshot();
+    expect(urlEscape("'image other.png'", true)).toMatchSnapshot();
+    expect(urlEscape('"image other.png"', true)).toMatchSnapshot();
   });
 });