Testimonials Grid Section Solution

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

work with some advice from my last solutions

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

i still get confusion with responsive units like using rem or em with padding margins fonts

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

i need some resources in how to make fonts and padding responsive and work with units like rem em also I noticed some solution use this units for screen breakpoint I really need some resources to understand it