Comment 112 for bug 1158267

Can someone please explain why the issue seems fixed by using the Mediterranean theme ?

If it was a bug, then why it affects the Ambiance theme and not the Mediterranean Themes ?
I would love to use the Ambiance theme but this bug is just not helping me. Forced to use the Mediterranean which is good, but the buttons really are too 3d compared to the elegance of the Ambiance theme