[X] Free
[X] Sensibly licensed for an asset project
[X] Matching desktop environment theme
[X] All encompassing - fixes things firefox's default dark theme doesn't, such as Firefox Home

Can't argue with it, a fantastic theme and props to Mozilla for finally making such a universal theme possible.

good theme than default dark theme.this theme care for eye.

It looks not perfect but among others it is the best one for my taste

matches discord dark theme pretty good