Help How to change the background/text color of accordions?

[Featherstone]

The title, haha. I'm trying to figure out how to make the accordion tabs be white with black text and, uh, am new to BBCode. And failing miserably. Any help is appreciated

 

[Alteras]

here is a good tutorial: Tutorial - Stylizing Accordions

 

[Featherstone]

Thanks! That thread was incredibly helpful~