gtk3-branding-basedonopensuse from openSUSE:12.1:Update project
Select Your Operating System
Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:12.1:Update/standard/openSUSE:12.1:Update.repo zypper refresh zypper install gtk3-branding-basedonopensuse