QR code component - first solution

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

Since this is a beginner project, the only thing that was challenging enough for me was figuring out how to show the QR-code component image. I used it as a background image for a div, but I still have to verify whether there's any better approach for it.

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

Didn't have anything that was challenging enough.

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

• For showing images, I've used a div and it's background image to show the image asset. Is that the best approach?
• Is this good semantic HTML?
• Did I name CSS classes correctly?
• Is anything bothersome about the HTML and CSS I've written?
• Anything I can improve on or need to keep in mind? I'd be thankful for any and every feedback.