diff --git a/public/stylesheets/nyan.css b/public/stylesheets/nyan.css
index 42d196734..7910c2a64 100644
--- a/public/stylesheets/nyan.css
+++ b/public/stylesheets/nyan.css
@@ -1245,7 +1245,6 @@ div.pagination {
 .user_course_list .menu li {
     display: inline-block;
     position: relative;
-    width: 40px;
     height: 40px;
     line-height: 40px;
     cursor: pointer;