=== modified file 'Ambiance/gtk-3.0/gtk-widgets.css'
--- Ambiance/gtk-3.0/gtk-widgets.css	2013-02-19 12:56:19 +0000
+++ Ambiance/gtk-3.0/gtk-widgets.css	2013-02-19 13:06:53 +0000
@@ -956,9 +956,10 @@
 }*/
 
 .menuitem {
+    -GtkMenuItem-horizontal-padding: 0;
     background: transparent;
     border-radius: 0;
-    padding: 3px 2px 3px 2px;
+    padding: 3px 5px 3px 5px;
 
     text-shadow: none;
 }

=== modified file 'Radiance/gtk-3.0/gtk-widgets.css'
--- Radiance/gtk-3.0/gtk-widgets.css	2013-02-19 12:56:19 +0000
+++ Radiance/gtk-3.0/gtk-widgets.css	2013-02-19 13:06:53 +0000
@@ -956,9 +956,10 @@
 }*/
 
 .menuitem {
+    -GtkMenuItem-horizontal-padding: 0;
     background: transparent;
     border-radius: 0;
-    padding: 3px 2px 3px 2px;
+    padding: 3px 5px 3px 5px;
 
     text-shadow: none;
 }