To use these add-ons, you'll need to download Firefox.

Log in
Add-on icon

Reviews for Owl - Dark Background

Owl - Dark Background by tk

4 Stars out of 5
5
65
4
24
3
15
2
6
1
12
Review by joefiesta
by joefiesta, 6 years ago
Can an extension change it's icon in the toolbar on the fly?

If so, it would be very nice if the ICON changed when OWL is enabled (so I tell what made the screen all black!)