Black background on cp.css, a no go?
 

Well, I tried putting black as the background (hexcode of course, I'm not a complete idiot, I'm still working on it) and it worked for the menu, but the background for the main section didn't work.

Am I doing something wrong, or is vB trying to tell me that it doesn't like the idea of me having a black background in my css?

There's probably two places you need to change instead of one.

If I remember correctly, Tony is correct. I myself have a black background.