Hlo check my game on my profile if it's ok or not

Question

Plz tell me about it so I can fix it

Answer 1

Aditya Thakur please always give proper credit to the creators of codes and do not try to pass them off as your own. The code belongs to Gulshan Mahawar ... so the code is not yours to fix.
https://sololearn.com/compiler-playground/Wfxc9a3h0l1Z/?ref=app

Answer 2

css -> body { body {
??

Answer 3

Aditya Thakur As Mihaly pointed out, your CSS needs some typo correction.

Essentially all your CSS is contained within an extra body{ } which causes almost all of it not to work.