Krogers is doing the same thing for me. On the forums they suggested trying Chrome Mask, it seemed to work for some. They also suggested you make sure you're not running in compatibility mode. That again worked for some but not my own problems with...
I'm having the same issue. Over on the Mozilla forums they said to try chrome mask extension and to turn off running it in compatibility mode. Neither of which worked for me but it did apparently work for some of them.
