intro component with signup form resolution using html, css, jquery

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

I'm really proud to finish this one. It's a "newbie" one, but really it's quite a challenge. Honestly I don't know what I would do differently

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

I had some problems to validate the email. I needed some help from the internet to do that.

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

I would like some feedbacks about my coding, semantics and how I can improve.