Responsive landing page with flexbox and width

What are you most proud of, and what would you do differently next time?

The responsiveness it is responsive even without media queries and aligns so perfectly well.

What challenges did you encounter, and how did you overcome them?

It was how to make it grab the exact height and same time grab the whole content i used height 100vh which was small then i removed the height and it contained perfectly.

What specific areas of your project would you like help with?

is it possible to style a th in the same tr tag to be in a row format without creating too many tr tag???