Responsive solution via HTML, CSS, BEM and Flexboxes

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

This was quite simple, so I didn't have any troubles. But I'm proud how fast I've completed this task.

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

I didn't have any big troubles alongtheway, so nothing to talk about :D

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

Overall code clearance. I always feel like my code is cluttered and unreadable.