Video navigations not visible


We are using H5P Version 1.15.3 on site.

We have issues with iframes, the navigation (next, prev, stop, play, etc.) buttons are not visible. Please see the attached file.

In order to see the elements, I need to use CSS to push it up, see the attached file.

Here is an example link:

and this:


Please advise and let me know if you need additional information.


Thank you!

P.S. CC [email protected]

iframe, navigation