Responsive solution using flexbox and one media query

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

I am proud of how I easily made it responsive using flexbox and a media query.

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

again, using flex: ; but this time i had it more dominated, so solving the problem wasn't that hard.

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

I would like to receive feedback about the project, what you consider I did wrong, what I can improve or change, etc.