Thank you for all your help but it’s still not right! Is there any way for a professional  to fix my store directly as there must be another issue with the code.

Thank you! Which file should I do that under? Is it under theme.scss.liquid or a different one?

I had fully finished setting up my store and tried to manage the reviews by adding the code to the sequence. However, I've ended up completely ruining my store! I deleted the codes that I added but the website still isn't right! Somebody help! The si...