diff --git a/common/skin/liberator.css b/common/skin/liberator.css
index 7c2c3779..10156802 100644
--- a/common/skin/liberator.css
+++ b/common/skin/liberator.css
@@ -92,6 +92,8 @@
         -moz-user-focus: ignore;
         overflow: -moz-scrollbars-none !important;
         border-width: 0 !important;
+        width: 100% !important;
+        height: 100% !important;
     }
 
     #liberator-bottombar:-moz-lwtheme {