I think it would be best to use script form @timothy1643 Perfect Horizontal Scrolling CMS in Webflow - YouTube
Or you can get the idea if you want to try your own.
But there is one issue with his implementation if you are using REM as unit.
For that check the solution in here Custom Code is interfering with REM value - #10 by abirana
I also want to point this out to @timothy1643