diff --git a/trac/htdocs/main.css b/trac/htdocs/main.css
index 277dae3..a5d21cc 100644
--- a/trac/htdocs/main.css
+++ b/trac/htdocs/main.css
@@ -76,6 +76,7 @@ p {
 #mainnav .active :link, #mainnav .active :visited {
     background: #88AA77;
     color: #224422;
+    border: none;
 }
 #mainnav .active :link:hover, #mainnav .active :visited:hover  {
     border: none;