I couldn't find my error, why images of my gallery not stick at top:0; ?? Please help me to solve this error 🥺

Question

When I past those code separately the these are working perfectly, but with other codes it is not running perfectly... What is my mistake please kindly solve my problem 🙏 these are the 2 code..
https://code.sololearn.com/WjvRgRnYN0kn/?ref=app
https://code.sololearn.com/W7h7Vpt6M0p7/?ref=app

Answer 1

Absolute positioning most of the elements can lead to unexpected layout behavior.

Answer 2

So what should I do

Answer 3

🤔this time im not sure where to start 🫤