diff --git a/css/common.css b/css/common.css
index f2e8a34..39e49f3 100644
--- a/css/common.css
+++ b/css/common.css
@@ -33,6 +33,7 @@
   background: #333;
   position: relative;
   text-align: center;
+  overflow: hidden;
 }
 
 .mini-map {