diff --git a/b2g/chrome/content/content.css b/b2g/chrome/content/content.css
index c181ce45249c..3ad57858e91a 100644
--- a/b2g/chrome/content/content.css
+++ b/b2g/chrome/content/content.css
@@ -10,16 +10,13 @@ xul|window xul|scrollbar {
   display: none;
 }
 
-html xul|scrollbar[root="true"] {
-  position: relative;
-  z-index: 2147483647;
-}
-
 html xul|scrollbar {
   -moz-appearance: none !important;
+  position: relative;
   background-color: transparent !important;
   background-image: none !important;
   border: 0px solid transparent !important;
+  z-index: 2147483647;
   pointer-events: none;
   opacity: 1;
 }