Forum:Header button arrow color

I can't find a way to turn the little arrow of the header buttons (top left/right) black instead of plain white. I saw the community wikia did have a black arrow and copied the .css code which I thought would work for me, but nothing happened.

I'd be happy to know if someone knows the .css code which allows me to change that damn little arrow.

p.s. how come the mediawiki:monaco.css code here is so nicely colored and all? Easy to navigate. -- Light Daxter  - User - Talk 15:03, March 21, 2010 (UTC)