Responsive contact form using HTML CSS and JavaScript

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

It takes some time to understand and I planned to put all the challenges in one repo, but from the comment I got in my previous submission, here I resubmit this with its separate repo.

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

Time management, with the work I have I can't get to do those challenges here. I tried to manage my time from the breaks I gave some to this challenge.

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

JavaScript