Does anyone have an example of using `position: fixed` to pin action buttons to the bottom of a panel?

Just wondering before I start fighting this myself.

I know position: fixed; is in since XD 23.

Duh, too easy:

<div style={{ position: 'fixed', bottom: 0, left: 0 }}>

Not so duh: Of course, then the buttons z-float over any content under them, and they still scroll when the window get small enough?

So I guess I’ll restate my original question.

(Sorry for flailing in public here.)

Oh, but using React here, so could use ports. Will give it a try eventually and report back in case that helps anyone else.