Any idea about making this look good?

Question

I am trying to design a user interface, and for that, I made a basic layout, now I need to style it, but I got stuck on designing this page, because it does not have much to do with this page, If you have any Ideas please share here.
I really appreciate any help you can provide.

CODE LINK: https://www.sololearn.com/compiler-playground/W5nh3SldW8ZF

Answer 1

Cannot open code link. Use "Insert" button to provide your code