style: fix BackTop not hidden completely (#25132)

* fix: hidden BackTop still effect layout, such as cursor * Revert "fix: hidden BackTop still effect layout, such as cursor" This reverts commit 9000e15. * perf: use :empty CSS pseudo-class
ant-design · Jun 20, 2020 · 8b1da1a · 8b1da1a
1 parent eadbd62
commit 8b1da1a
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/components/back-top/style/index.less b/components/back-top/style/index.less
@@ -14,6 +14,10 @@
   height: 40px;
   cursor: pointer;
 
+  &:empty {
+    display: none;
+  }
+
   &-rtl {
     right: auto;
     left: 100px;