My page didn't work properly

I made this page.

after uploading files it’s shows that

Please help me Out of It

Welcome to the community, @shahid-2238! We are happy you are here. You are more likely to get a useful response if you are explicit about what your project entails, giving a few more details might help someone give you a nudge in the right directions.

Hi @shahid-2238

I suspect that you have an issue with the link to your css. Please review the links to your stylesheet, bearing in mind that paths are case sensitive.