diff --git a/public/stylesheets/project.css b/public/stylesheets/project.css
index 2806a1dbe..fb6da363a 100644
--- a/public/stylesheets/project.css
+++ b/public/stylesheets/project.css
@@ -881,3 +881,19 @@ a:hover.Reply_pic{border:1px solid #64bdd9;}
 .wiki {width: 510px;}
 .wiki img {max-width:100%;}
 
+#content_ .tabs_enterprise ul li a.selected:hover {background-color: #E2F4FF;}
+/*end*/
+/*end*/
+/***** Diff *****/
+.diff_out { background: #fcc; }
+.diff_out span { background: #faa; }
+.diff_in { background: #cfc; }
+.diff_in span { background: #afa; }
+
+.text-diff {
+    padding: 1em;
+    background-color:#f6f6f6;
+    color:#505050;
+    border: 1px solid #e4e4e4;
+}
+