Responsive Four Card Layout Using Html and CSs

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

I am most proud of the responsiveness of this website and how I was able to achieve it using the mobile-first method.

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

The challenge I encountered was just the website's responsiveness where I used the mobile-first method.

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

How can I improve the website using Sass and strengthen my responsive skills? What universal code can I always put on my websites to better my responsiveness in the future?