Fixed div gets cut off inside overflow container

Question

I am trying to make a fixed div to be on top of overflow container it is placed in. But seems that transform style set to #container causes issues.

Does anyone has solution for that?

Here's an example on JSFiddle:

https://jsfiddle.net/no1lov3sme/3du07h2s/

Answer 1

Resolved in this comment by A Haworth.