Background image 3d transform bug

I am having trouble with the 3D transform of my background. Initially the rotator animation works just fine, but after a few seconds the image re-adjusts. Why is this?


Here is my public share link: https://preview.webflow.com/preview/coopersamp-com?utm_source=coopersamp-com&preview=5e3ca6f7b80ef7be33fff32be8182271
(how to access public share link)