diff --git a/zdblack/theme/colours.css b/zdblack/theme/colours.css
index d4d743c..b21263b 100644
--- a/zdblack/theme/colours.css
+++ b/zdblack/theme/colours.css
@@ -833,7 +833,7 @@ ul.cplist {
 
 #tabs .activetab a {
 	background-color:#30353d;
-	border-bottom-color: #5aa2c7;
+	border-bottom-color: #7ca8c5;
 }
 
 #tabs .activetab a span {