Why i can't scroll the div element horizontally?

Question

Do i need to add the JavaScript code or just fix the CSS?

Here's my code:
https://code.sololearn.com/WBwWcTsdjxcd/?ref=app

Answer 1

Bc sololearn app wait event to scroll horizontal
If you scroll horizontal
Sololearn will make you go to code tab

Do I need to add the JavaScript code?
No It's app's fault
just add another feature instead