Testimonials grid section, using Grid & Flexbox

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

I think the responsive part is not that bad :) but it can be better.

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

For now i only know the very basic about grid so maybe the challenge can be make with less lines of code.

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

Still getting better at css, so any feedback about the code and how can i re-making it in the future with less lines of code.