diff --git a/css/utility.css b/css/utility.css
index b45e9a00f..587061bcc 100644
--- a/css/utility.css
+++ b/css/utility.css
@@ -15,6 +15,7 @@ form {
 }
 
 div.content {
+	overflow : hidden;
 	background : white;
 	border : 1px solid #ccc;
 	padding : 10px;