diff --git a/htdocs/theme/yellow/yellow.css b/htdocs/theme/yellow/yellow.css
index 557fb9661b6..fc10625eee8 100644
--- a/htdocs/theme/yellow/yellow.css
+++ b/htdocs/theme/yellow/yellow.css
@@ -139,7 +139,7 @@ tr.impair
 
 tr.box_titre
 { 
-  background: #999966; 
+
   font-family: Helvetica, Verdana; font-size: 1.0em; font-weight: bold;
   }