diff --git a/app/less/app.less b/app/less/app.less
index e0c8da13..48ecfe52 100644
--- a/app/less/app.less
+++ b/app/less/app.less
@@ -1037,6 +1037,7 @@ a.tg_radio_on:hover i.icon-radio {
   padding: 6px 20px 6px 30px;
   margin: 0 0 6px;
 
+  background-color: #F2F2F2;
   .image-2x('../img/icons/IconsetW.png', 42px, 1171px);
   background-position: -6px -205px;