QR code component using HTML and CSS

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

I think i managed to get pretty close to the solution even if its not perfect.

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

I had the knowledge to do everything, but applying it was different. I ran into some issues, and while trying to fix one, another one appeared. I had to tweak things several times.

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

I would like to know what i did bad and how i could improve my code, One trouble i was indentation and my code didn't look as good as i wanted.