How do I make the bar the says "home|my fwiends| all fwiends|..." go in the center and change the background color?

You don't need to credit me if u use it
https://pastebin.com/7hQmKPkW
Credit to awkward.violence for base and gLiTT3r.GUtZ for help

Just a place to help each other with css and share em with each other

Hey I want more friends so like we could all chat here together