Responsive coming soon page using HTML, CSS, JS and Bootstrap

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

I am proud of finishing this challenge pretty quickly.

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

I encounter some challenges with form validation and used Bootstrap fomr validation to solve this problem.

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

I need help with responsibility, is there any tip to how to make the content as responsible as possible without using a lot of media queries? Thank you in advance ;)