diff --git a/app/mobile.js b/app/mobile.js
--- a/app/mobile.js
+++ b/app/mobile.js
@@ -58,16 +58,19 @@ pref("toolkit.screen.lock", false);
pref("zoom.minPercent", 20);
pref("zoom.maxPercent", 400);
pref("toolkit.zoomManager.zoomValues", ".2,.3,.5,.67,.8,.9,1,1.1,1.2,1.33,1.5,1.7,2,2.4,3,4");
pref("zoom.dpiScale", 150);
/* use custom widget for html:select */
pref("ui.use_native_popup_windows", true);
+/* allow scrollbars to float above chrome ui */
+pref("ui.scrollbarsCanOverlapContent", 1);
+
/* use long press to display a context menu */
pref("ui.click_hold_context_menus", true);
/* cache prefs */
pref("browser.cache.disk.enable", false);
pref("browser.cache.disk.capacity", 0); // kilobytes
pref("browser.cache.memory.enable", true);
diff --git a/chrome/content/bindings.xml b/chrome/content/bindings.xml
--- a/chrome/content/bindings.xml
+++ b/chrome/content/bindings.xml
@@ -152,22 +152,20 @@