Different lightbox video frames

I am trying to figure out why the lightbox video frame is different on cms items from the ones stored in hero section for example.
I would like to avoid writting custom CSS before I figure out why is this different. Did someone set it up like that or is it bug?

https://preview.webflow.com/preview/lassermedia?utm_medium=preview_link&utm_source=designer&utm_content=lassermedia&preview=6d69cf623a1f289703d47fd8382bfb07&pageId=5fa07724eba5779dd3d1ec7b&mode=preview


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