materia-gtk-theme-kamarada from home:kamarada:15.4 project
Select Your Operating System
Add repository and install manually
For openSUSE Leap 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:kamarada:15.4/openSUSE_Leap_15.4/home:kamarada:15.4.repo zypper refresh zypper install materia-gtk-theme-kamarada