Responsive web design. No media queries, suitable for everyone

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

I am proud of every thing i made here, specially the JavaScript part.

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

The main challenges were validating things like the inputs type radio or the error messages but that wasn't that hard actually.

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

I guess with anything that anyone considers I can improve for next challenges or something that might be wrong in my code.