GNOME 3.8 Classic mode issue

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http://forums.fedoraforum.org – Hello, I am running F19, and everytime I put a flash video or a game like TF2 or CS:S full screen while GNOME 3.8 is in Classic mode, a grey bar is always at the bottom of the screen. It is the bar at the bottom of the screen you can open that shows notifications in Classic mode. How do I make this stop, and have the bar go behind the full screen application. It doesn't happen with every full screen application though, like the game World of Goo is fine full screen. Thank you (HowTos)