--- a/client/css/renkan.css	Wed Apr 03 16:15:55 2013 +0200
+++ b/client/css/renkan.css	Wed Apr 03 16:17:36 2013 +0200
@@ -213,6 +213,7 @@
 .Rk-Canvas {
 	background: -moz-radial-gradient( center, circle, #ffffff 40%, #e0e0e0 90%);
 	background: -webkit-radial-gradient( center, circle, #ffffff 40%, #e0e0e0 90%);
+	background: -ms-radial-gradient( center, circle, #ffffff 40%, #e0e0e0 90%);
     position: absolute; left: 0; top: 35px; right: 0; bottom: 0; z-index: 1;
 }