! trick to show wizzy button as on when in wizzy

Signed-off-by: Spuds <spuds@spudsdesign.com>
! background image does not extend to the base of the button
happens in Fx, so we hide that 1px issue with an inset shadow

Signed-off-by: Spuds <spuds@spudsdesign.com>
! hr artifact, thanks to aggelos for report
http://www.elkarte.net/community/index.php?topic=1662.0

Signed-off-by: Spuds <spuds@spudsdesign.com>
Merge pull request #1705 from Spuds/fii

Couple of quick fixes