Help with slider overlapping on fresh browser

Hey, so on my review slider when you load up a fresh browser the reviews will overlap. It won’t do it in the editor. This is a shame because most people visiting my site for the first will see this bug. Not sure how to fix this. I uploaded a video on YouTube for reference, thanks!

Video: Webflow slider problem - YouTube

Here is my site Read-Only: LINK

this tutorial may help: Infinite Marquee (Endlessly Looping) Content in Webflow Tutorial - YouTube