Contact Form using Flexbox CSS and JavaScript

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

CSS Flexbox' Usage, Grid can also be used but it's more convenient using flexbox personally.

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

Document Object Model usage as HTML layout of the form seems slightly messy.

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

Spacing between forms as the width and gap between them appears slightly uneven.