QR code component using html and css

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

1. Finished it and uploaded the project to Git Hub.
2. redo the project and know better on the center container , always learn new things from doing the old project

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

1. use the morden css, flex to center the div
2. pay attention on the description so that they are perfectly matched

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

Both desktop and mobile design work.