diff --git a/wiki/static/crans/css/crans.css b/wiki/static/crans/css/crans.css
index dfb96b9e..9b2e38ff 100644
--- a/wiki/static/crans/css/crans.css
+++ b/wiki/static/crans/css/crans.css
@@ -143,6 +143,7 @@ div#column-one {
     background:#eeeeee;
     border-left:thin solid #bbbbbb;
     border-bottom:thin solid #bbbbbb;
+    border-top: thin solid #cccccc;//gris clair;
 }
 
 div#column-one li a {