How can i add CMS of client projects in horizontal scrolling

Hey guys, i’m trying to display client projects in a website using CMS and horizontal scroll but it isn’t working. I have already watched the advanced transition video in the webflow university but mine doesn’t work.


Here is my site Read-Only:

https://preview.webflow.com/preview/kenny-try?utm_medium=preview_link&utm_source=designer&utm_content=kenny-try&preview=27c6ed9111135b557bc5143180f9c578&workflow=preview