diff --git a/user_guide/userguide.css b/user_guide/userguide.css
index 4da90dc..5cd6734 100644
--- a/user_guide/userguide.css
+++ b/user_guide/userguide.css
@@ -151,10 +151,11 @@
 

 #content h1 {

 color: #333;

+background-color: #efefef;

 font-weight: normal;

 font-size: 22px;

 margin: 0 0 15px 0;

-padding: 0;

+padding: 3px 2px 3px 10px;

 }

 

 #content h2 {