diff --git a/site/theme/static/common.less b/site/theme/static/common.less
index cf2242da66..f14c74b29c 100644
--- a/site/theme/static/common.less
+++ b/site/theme/static/common.less
@@ -1,9 +1,10 @@
-html.rtl {
-  direction: rtl;
+html {
+  &.rtl {
+    direction: rtl;
+  }
 }
 
 body {
-  overflow-x: hidden;
   color: @site-text-color;
   font-size: @font-size-base;
   font-family: @font-family;
@@ -18,6 +19,7 @@ a {
 .main-wrapper {
   position: relative;
   padding: 40px 0 0;
+  overflow-x: hidden;
   background: @component-background;
 }