Responsive faq accordion using HTML, CSS with flexbox and Javascript

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

I'm proud of my determination, this challenge was one of the coolest challenges i did, i learned so much even about javascript DOM manipulation.

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

I encounter challenges about the DOM manipulation with javascript, even i thinking i was good at it. But, with some searchs, i overcome them.