diff --git a/site/theme/static/common.less b/site/theme/static/common.less
index 812e5e4d61..6ba4a6bafe 100644
--- a/site/theme/static/common.less
+++ b/site/theme/static/common.less
@@ -3,8 +3,11 @@ body {
   height: 100%;
 }
 
-body {
+html {
   overflow-x: hidden;
+}
+
+body {
   color: @site-text-color;
   font-size: 14px;
   font-family: @font-family;