diff --git a/htdocs/theme/yellow/yellow.css b/htdocs/theme/yellow/yellow.css
index 78c06eab646..eeccd81270c 100644
--- a/htdocs/theme/yellow/yellow.css
+++ b/htdocs/theme/yellow/yellow.css
@@ -20,6 +20,7 @@
  */
 body 
 {
+  margin: 0px;
   background: #ebebe0; 
   font-family: sans-serif; font-size: 0.95em; 
 }