diff --git a/user_guide/userguide.css b/user_guide/userguide.css
index 5cd6734..d58ec96 100644
--- a/user_guide/userguide.css
+++ b/user_guide/userguide.css
@@ -48,7 +48,7 @@
 }
 #nav2 {
  background: #fff url(images/nav_bg.jpg) repeat-x left top;
- padding: 0 180px 0 0;
+ padding: 0 240px 0 0;
  margin: 0;
  text-align: right;
 }