diff --git a/public/stylesheets/new_user.css b/public/stylesheets/new_user.css
index 2b1caefce..af3829706 100644
--- a/public/stylesheets/new_user.css
+++ b/public/stylesheets/new_user.css
@@ -1481,4 +1481,4 @@ a.choose-active {background-color:#269ac9; color:#ffffff;}
 .subject-list-from {width:105px; text-align:center;}
 
 /*视频播放默认图标*/
-.mediaIco{margin: 30px 0 30px 20px;}
+.mediaIco{margin: 30px 0 30px 20px;width: 200px;}
diff --git a/public/stylesheets/public.css b/public/stylesheets/public.css
index 9ea718295..77c32e587 100644
--- a/public/stylesheets/public.css
+++ b/public/stylesheets/public.css
@@ -1132,4 +1132,4 @@ a.group-btn{  background: url(../images/course/hwork_icon.png) -2px -58px no-rep
 a.program-btn{background: url(../images/homepage_icon.png) -86px -393px no-repeat; width:30px; height:20px; display:block; padding-left:23px; color:#888888;}
 
 /*视频播放默认图标*/
-.mediaIco{margin: 30px 0 30px 20px;}
+.mediaIco{margin: 30px 0 30px 20px;width: 200px;}