Stuck on simple CSS page, please help

I am stuck on a page, I either don’t understand the question or my page is bugged. The fallback of black is already attached to the two classes. I don’t understand? Please help! Thank you in advance for any help


What lesson are you working on?
If you click the Ask for Help button within the lesson it adds a link to the lesson and then you can show us the code that you’ve tried.

can you post link ? or what error you are getting ?