diff --git a/core-header-panel.css b/core-header-panel.css
index 0693338..31dcce5 100644
--- a/core-header-panel.css
+++ b/core-header-panel.css
@@ -18,7 +18,9 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
   right: 0;
   bottom: 0;
   left: 0;
-  overflow: auto;
+  overflow-y: auto;
+  overflow-x: hidden;
+  -webkit-overflow-scrolling: touch;
 }
 
 #mainPanel {
@@ -27,7 +29,9 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
 #mainContainer {
   position: relative;
-  overflow: auto;
+  overflow-y: auto;
+  overflow-x: hidden;
+  -webkit-overflow-scrolling: touch;
 }
 
 #dropShadow {