diff --git a/src/theme.less b/src/theme.less
index a61c68b..caa75e6 100644
--- a/src/theme.less
+++ b/src/theme.less
@@ -312,7 +312,7 @@
 
 // z-index list, order by `z-index`
 @zindex-badge: auto;
-@zindex-table-fixed: auto;
+@zindex-table-fixed: 10;
 @zindex-affix: 10;
 @zindex-back-top: 10;
 @zindex-picker-panel: 10;
@@ -366,16 +366,16 @@
 @input-padding-horizontal-sm: @control-padding-horizontal-sm - 1px;
 @input-padding-horizontal-lg: @input-padding-horizontal;
 @input-padding-vertical-base: max(
-    round((@input-height-base - @font-size-base * @line-height-base) / 2 * 10) / 10 -
-      @border-width-base,
+    (round((@input-height-base - @font-size-base * @line-height-base) / 2 * 10) / 10 -
+      @border-width-base),
   3px
 );
 @input-padding-vertical-sm: max(
-    round((@input-height-sm - @font-size-base * @line-height-base) / 2 * 10) / 10 - @border-width-base,
+    (round((@input-height-sm - @font-size-base * @line-height-base) / 2 * 10) / 10 - @border-width-base),
   0
 );
-@input-padding-vertical-lg: ceil((@input-height-lg - @font-size-lg * @line-height-base) / 2 * 10) /
-  10 - @border-width-base;
+@input-padding-vertical-lg: (ceil((@input-height-lg - @font-size-lg * @line-height-base) / 2 * 10) /
+  10 - @border-width-base);
 @input-placeholder-color: hsv(0, 0, 75%);
 @input-color: @text-color;
 @input-icon-color: @input-color;
@@ -415,7 +415,7 @@
 @select-single-item-height-lg: 40px;
 @select-multiple-item-height: @input-height-base - @input-padding-vertical-base * 2; // Normal 24px
 @select-multiple-item-height-lg: 32px;
-@select-multiple-item-spacing-half: ceil(@input-padding-vertical-base / 2);
+@select-multiple-item-spacing-half: (ceil(@input-padding-vertical-base / 2));
 
 // Cascader
 // ---
@@ -546,10 +546,10 @@
 @table-expanded-row-bg: #fbfbfb;
 @table-padding-vertical: 16px;
 @table-padding-horizontal: 16px;
-@table-padding-vertical-md: @table-padding-vertical * 3 / 4;
-@table-padding-horizontal-md: @table-padding-horizontal / 2;
-@table-padding-vertical-sm: @table-padding-vertical / 2;
-@table-padding-horizontal-sm: @table-padding-horizontal / 2;
+@table-padding-vertical-md: (@table-padding-vertical * 3 / 4);
+@table-padding-horizontal-md: (@table-padding-horizontal / 2);
+@table-padding-vertical-sm: (@table-padding-vertical / 2);
+@table-padding-horizontal-sm: (@table-padding-horizontal / 2);
 @table-border-radius-base: @border-radius-base;
 @table-footer-bg: @background-color-light;
 @table-footer-color: @heading-color;