FAQs with raw html css and js

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

nada

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

Using details tag instead of js, the default css properties its confusing to deal with , and i only use js for changing svg (the plus 'n minus icon). And the animation , i hasn't learning to animate properly yet , and the online solutions doesn't apply to properties