[Toolbar] firefox; appbar and toolbar not positioned correctly.

[freeslugs]

[patrykkopycinski]

hey @freeslugs, could you be more specific and write which version of firefox and OS are you using?

[freeslugs]

mac, yosemite 10.10.2, firefox 31

[jkruder]

I think this is related to #1242 (float: left appears as false: left).

[hai-cea]

Fixed by #1248