QR code component using html and css flex box

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

keep the simple project simple. Using container to wrap the element you want to style.

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

how to position child element away from the parent element. Setting appropriate size for parent and child element. Using margin to distance border of parent element and child element.

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

how do I choose sizing unit for different types of context and when building website responsively?