Sticky not Stickying lol

Hi. I’m really needing help. I’m working on redesigning my webpage. I’m new to Webflow and fairly new to css. I’m trying to make the project content sticky and scroll horizontally. Everything work fine in the mobile views but the desktop version is doing something weird. It works fine in the designer preview but the published version is still wonky. I’ve searched high and low but nothing works. I made sure the parent elements are not set to hidden but still no luck. I appreciate any help in advance.

Here is my site Read-Only: [LINK][1]
([how to share your site Read-Only link][2])

[1]: Webflow - Quintez's Sublime Site [2]: Share a read-only link | Webflow University