Click "not now"
Right click the persistent banner and select "inspect element" (YMMV on Browser choice).
Set "display: none" for the element's css.
Right click the persistent banner and select "inspect element" (YMMV on Browser choice).
Set "display: none" for the element's css.
> I don't think most FB users and business pages are aware that their "public" posts and pages are now obscured by sign-up nag sliders.
Unfortunately, I guess most FB users would be more surprised that some people don’t have a Facebook account, not that they are greeted with a signup window.
I was just providing a relatively simple solution to "...pop-over that cannot be removed and obstructs the page."