E-commerce product page

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

Designing a E-commerce webpage, including picture carousel, modal, and shopping cart is some kind of new to me, and using React to do it, make the state setting more important, and I'm satisfied with the output.

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

The data passing between components can be tricky, especially two unrelated components, I tried methods to get the result and it worked.