Can't replicate an image stretch issue in mobile interface — what's wrong?

In Webflow, my mobile interface looks great — the NONSPIRACY below is a gif. In all breakpoints, it looks like this.

Screen Shot 2021-03-25 at 4.31.50 PM

However, when my friends view the site on mobile, the gif becomes stretched out like so:

However, I can’t replicate this bug no matter what breakpoints/sizes I look at. When I try it on my phone, it looks fine too. Because I can’t replicate it, I can’t figure out how to fix it…

Would really appreciate any ideas — here is the read-only link: Webflow - Mochi Zine

Solved! Changed “Height” of the mobile element to 100%.