Hide sync button from Firefox for Android
and make minor padding adjustment for that state
Bug 1046251
Use more appropriate content for default state
Bug 1046251
Create function to swap body class states
Bug 1046251
Merge branch 'bug-997577-legal-notices' into demo2-bug-997577-legal-notices-and-bug-1046251-sync-updates
Merge branch 'bug-1046251-sync-updates' into demo2-bug-997577-legal-notices-and-bug-1046251-sync-updates