four-card-feature-section using CSS

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

about the project: as a back end developer I used to get the design and use it directly in the project, but now I am the one who made the design and even though it is so simple but I know I am on right path to be good front end developer.

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

responsive design: I still learning about it.

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

responsiveness of the design, and HTML tags I used, is there a better approach?