Default Dark Fixed
The default Firefox dark theme broke for me with a recent update and the title bar color is Windows' color rather than the black, so this is just a custom theme remade with the same colors as a manual fix.
Nissun utent
The default Firefox dark theme broke for me with a recent update and the title bar color is Windows' color rather than the black, so this is just a custom theme remade with the same colors as a manual fix.