Why do the divs change size?

Question

I have an issue, for some reason the divs keep changing width. I made a horizontal slider, but all the cards keep getting thin. How do I make them all the same size?
https://code.sololearn.com/Ww8H101JAztc/?ref=app

Answer 1

I guess you can use
div{min-width:a big enough value;}
...

Answer 2

🇧🇩🇳‌🇴‌🇷‌'🇼‌🇪‌🇸‌🇹‌🇪‌🇷‌ 🤦‍♂️. I didn't know it was that easy! Thanks so much for the help!