Responsive QR Code Card using HTML and Bootstrap

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

I'm fairly proud of how quickly this came together. I'm out of practice with bootstrap, so ran into a couple of snags, but was able to figure them out and get things looking right.

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

I had trouble with vertical alignment using bootstrap (something I've struggled with since I started using it) so researched solutions and finally found one that worked (absolute positioning).