Embedded video doesn't display on ipad/mobile breakpoints

Hey guys,

My embedded video hosted at Vimeo displays nicely at the large screens, but disapeares when I narrow down the screen to iPad size, or mobile size. I could not find anything about it on Forum.
I am a designer myself, so I have no real knowledge of code.

The code (from Vimeo):

My read-only link (videos are at the end):


PS. No idea why my embed code doesn’t display in the post