Fully Interactive FAQ Accordion using only HTML and CSS

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

BEM in conjunction with sass is simply awesome!

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

Styling pre-styled elements like details and summary to achieve the required design. I use custom display property and ::after pseudolement.

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

Any suggestion is welcome!