FUCKIGN CSS

bro wtf am i doing wrong im going to gouge out my eyes at this point WHY ARE THE HEADER FUCKING THINGS OPAQUE IM LITERALLY CRYING RN
(╯▔皿▔)╯ anyways if anyone knows what to do then please message me or sum shit
https://i.pinimg.com/564x/b6/5c/f2/b65cf2d7bed4309cab35163cbf01526e.jpg