diff --git a/trac/htdocs/main.css b/trac/htdocs/main.css
index 7abd0fe..8de5b4f 100644
--- a/trac/htdocs/main.css
+++ b/trac/htdocs/main.css
@@ -47,8 +47,11 @@ dt em {
 }
 #prefs {
     background: #88AA77;
-    border: 2px solid #945973;
+    border: 2px solid;
+    border-color: #945973 #290C00 #290C00 #945973;
+
 }
+
 fieldset {
     background: #88AA77;
     border-color: #224422;