so in your edit pf at the bottom theres a place for css Idk how to make your own css but ik some people have tutorials on it but what I did was use some pre made ones heres where I got mine css credit https://sophiezhng.github.io/my-space-windows-93-themes/ just copy all of the css and then paste it in to the spot on your edit pf thing and thats it hope that helps

pfp credit melonpaya on twitter css credit https://sophiezhng.github.io/my-space-windows-93-themes/

my playlist https://youtube.com/playlist?list=PLR9kipzf7G5uFey8tZ73IwLcWf25K80MJ
my fav songs of all time https://youtube.com/playlist?list=PLR9kipzf7G5v2qmgsKChgz984xqstJEBQ