diff --git a/htdocs/theme/eldy/eldy.css.php b/htdocs/theme/eldy/eldy.css.php
index 8195425736b..43d621cb0f7 100644
--- a/htdocs/theme/eldy/eldy.css.php
+++ b/htdocs/theme/eldy/eldy.css.php
@@ -431,7 +431,7 @@ a.onglet_inf {
 
     border-right: 1px solid #555555;
     border-left: 1px solid #D8D8D8;
-    border-bottom: 1px solid #D8D8D8;
+    border-bottom: 1px solid #555555;
 }
 
 a.tabTitle {