Themes
Black recoloring of themes found in:
/usr/share/themes/
and
/home/$USER/.themes/
...of various Manjaro versions
Matcha-black-sea
Matcha-black-sea
Installation
Extract themes to:
/usr/share/themes/
or
/home/$USER/.themes
Notes
Tested on Manjaro XFCE 20.0 and Manjaro KDE 20.1