diff --git a/layout/_partial/config_css.ejs b/layout/_partial/config_css.ejs
index 6704e7c13..2a20f44d7 100644
--- a/layout/_partial/config_css.ejs
+++ b/layout/_partial/config_css.ejs
@@ -4,6 +4,7 @@
 <style>
   body, html {
     font-family: <%- theme.fonts.family %>;
+    overflow-x: hidden;
   }
 
   a {