Yes, this is due to the inbuilt add-on "Reveal hidden HTML elements" as
Narcis pointed out. Just disable it from the Addon Manager or from
about:config and you'll get rid or this annoying shit.
On 2018-01-28 16:49, Marco van Hulten wrote:
Je 28 jan 15:56 skribis David:
Can you please give us a screenshot?
It is attached.
It is about the semi-transparant buttons at the top. «Click to reveal
hidden elements/remove buttons» are removed by disabling the «Reveal
hidden HTML elements» extension. The «Complain» is to complain to the
When I click on «Click to reveal hidden elements/remove buttons», they
go away on that page. I don't understand the function.
I will propose something about enabling/disabling some extensions by
default, in a proper bug report.