For openSUSE Leap 15.4 ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:maxrd2:qt5:theme/openSUSE_Leap_15.4_ARM/home:maxrd2:qt5:theme.repo
zypper refresh
zypper install qt5ct
For openSUSE Leap 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:maxrd2:qt5:theme/openSUSE_Leap_15.4/home:maxrd2:qt5:theme.repo
zypper refresh
zypper install qt5ct
For openSUSE Leap 15.3 ARM run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:maxrd2:qt5:theme/openSUSE_Leap_15.3_ARM/home:maxrd2:qt5:theme.repo
zypper refresh
zypper install qt5ct
For openSUSE Leap 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:maxrd2:qt5:theme/openSUSE_Leap_15.3/home:maxrd2:qt5:theme.repo
zypper refresh
zypper install qt5ct