User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; fr; rv:1.9) Gecko/2008061004 Firefox/3.0 Build Identifier: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; fr; rv:1.9) Gecko/2008061004 Firefox/3.0 Mac OS X has two different themes: one for the window with focus, one for the other windows. For an example, the focused window has a dark grey title bar, the unfocused ones a lighter grey. Reproducible: Always Steps to Reproduce: 1. Open firefox 3 2. Open safary 3. Open another app over it so that you can still see the srollbars of firefox and safari Actual Results: The scrollbars of Safari become white, the scrollbars of firefox remain blue. Expected Results: Firefox's scrollbar should behave has safari's