Frontend Mentor - QR code component solution

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

I learned a lot in this challenge, and for me, this is a very good start to using this platform to learn more, and I look forward to that.

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

To set the flexbox in the card, before I'm confusing of that. But now, I understand that when I use Flexbox or Grid, it depends on the situation.

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

Everything.