Update 1: XUL Namespace messed things up. Confused? So am I! All I know is that it somehow affects text shadow if the XUL namespace is within the code. XUL Namespace elsewhere in other styles won't affect it.
Update 2: Ermahgerd berkmerks! Typo correction.

This is only one of three inter-connected styles I'm creating, allowing users to pick and choose what elements they want to modify and introduce into the Awesome Bar's autocomplete drop-down dialog.

See the rest of them!
Awesome Bar Background Color Based on Type 2
Awesome Bar Text Based on Type 2

If you want all of the above in one style:
Glass Awesome Bar Color and Text Based on Type