My CSS doesn't load

Hello i have an Project at GitHub - BjarnePW/BjarnePw.github.io . I’ve uploadet all the files, but my CSS doesent load at the website https://bjarnepw.github.io. Can you look at the code and show me my mistakes?
Btw i have already renamed the file to index.css and put a ./ in front of the name, but i dont now, what to do yet.

THANKS 4 EVERY HELP!!!
Bjarne_PW

It looks like your CSS is loading fine for me. Is there anything specific that’s broken or have you managed to figure it out?

yes i have found the mistake now

Thank you anyway

The mistake was that I had named at HTML the filesheet Style.CSS but you have to name Style.css