Responsive Design for Four Card Feature Section

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

Improving responsive design skillset.

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

To put four card together in the middle, I first used grid feauture but I couldnt somehow succeed in this, then I found a different approach by using different divs for each card column.

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

Any tips to improve this code.