MozillaFirefox-branding-openSUSE from home:oertel:Leap:15.7 project
Select Your Operating System
Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:oertel:Leap:15.7/standard/home:oertel:Leap:15.7.repo zypper refresh zypper install MozillaFirefox-branding-openSUSE