Responsive QR code component using flexbox

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

I could center an item both vertically and horizontally using flex.

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

Centering the element was a challenge and I overcome that using flex.

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

The size/ dimension which was provided I feel is not exact match. If I get feedback on that it would be helpful.