A simple thing done simply. Was dismayed when previous similar extensions were neglected into outdated obscurity. This just works.

works great

Please, make a light add-on icon for the dark browser theme.

Wow, this is exactly what I needed when I switched from chrome to firefox a few months ago. Previously had Fullscreen Anything on chrome. This works great! Thank you

Outstanding

working as of 17 Feb 2018

Absolutely fantastic.
Thanks.