When I edit my site in the mobile viewport, it affects the other viewports

Design help General
1

I’m trying to create a page with summer programs, and I formatted it on the mobile view, but its affecting the desktop viewport, even though its not supposed to

https://preview.webflow.com/preview/harker-deca?utm_medium=preview_link&utm_source=dashboard&utm_content=harker-deca&preview=3fbab97b5038baaa3558aae78bb816a9&workflow=preview

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