diff --git a/app/assets/stylesheets/common.css.scss b/app/assets/stylesheets/common.css.scss
index f807db251..d62be0ec7 100644
--- a/app/assets/stylesheets/common.css.scss
+++ b/app/assets/stylesheets/common.css.scss
@@ -253,6 +253,7 @@ h2 {
   border-bottom: 1px solid #ccc;
   padding: 0;
   margin: 0;
+  overflow:hidden;
 }
 
 #tabnav li {