Why doesn't overflow: hidden work?

Question

css

I brought the animation to the site (upper right corner), but the animation can be scrolled, which spoils the entire site on most browsers. Although the shell has a parameter: “overflow: hidden”

Answer 1

It's a gesture, of course.
1. You don't have svg in your code, but read iframe, only represented by object.
2. Draw the animation right in the body of your document, so you can debug it, including setting the real dimensions corresponding to the area where you enter it.
PS: open the site in tablet\emulator mode.

Answer 2

Set the element which hasposition: relativeoverflow: hidden