add scrollbar when it's usefull

index.css

@@ -1,7 +1,9 @@
-body
+body, html
 {
     padding:0px;
     overflow:hidden;
+    background-color:#f1f1f1;
+    width: 100%;
 }
 
 nav

main.css

@@ -1,10 +1,5 @@
 @import "compass/css3";
 
-body, html {
-    overflow:hidden;
-    background-color:#f1f1f1;
-}
-
 #title
 {
     position: fixed;