diff --git a/trac/htdocs/libcaca.css b/trac/htdocs/libcaca.css
index 55efbc4..79604cb 100644
--- a/trac/htdocs/libcaca.css
+++ b/trac/htdocs/libcaca.css
@@ -360,4 +360,8 @@ form #comment {
     font-size: 11px;
 }
 
-
+/* browser */
+table.listing thead th, 
+table.listing thead td {
+    border: 1px solid #552701;
+}