Interactive card details form without responsivness

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

I am not proud of anything because my solution isn't responsive and I don't know how to correct that mistake.

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

I encountered many challanges, but I couldn't overcome responsivness challange.

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

Other than that I don't have any questions. Feedbacks and advices are welcomed. Please tell me my mistakes so I can get better at writing code and improve my skills. Thanks a lot!