.app-card__preview::before {
background-image: radial-gradient(at 40% 20%, hsla(28, 100%, 74%, 1) 0, transparent 50%), radial-gradient(at 80% 0%, hsla(189, 100%, 56%, 1) 0, transparent 50%), radial-gradient(at 0% 50%, hsla(355, 85%, 93%, 1) 0, transparent 50%), radial-gradient(at 80% 50%, hsl(359, 70%, 46%) 0, transparent 50%), radial-gradient(at 0% 100%, hsla(22, 100%, 77%, 1) 0, transparent 50%), radial-gradient(at 80% 100%, hsla(242, 100%, 70%, 1) 0, transparent 50%), radial-gradient(at 0% 0%, hsla(343, 100%, 76%, 1) 0, transparent 50%);
animation: rotate-colors 7s linear infinite;
}
Ah I see, so the difference between https://github.com/jenkinsci/jenkins/blob/2830b3be32b88102eeee8333a23d97c66fb7f986/core/src/main/java/org/jenkins/ui/icon/IconSet.java#L526 and https://github.com/jenkinsci/jenkins/blob/2830b3be32b88102eeee8333a23d97c66fb7f986/core/src/main/java/org/jenkins/ui/icon/IconSet.java#L592 is basically the problem here?
Plus https://github.com/jenkinsci/matrix-auth-plugin/blob/master/src/main/webapp/images/user-disabled.svg which I guess I need to provide a monochrome variant for and switch based on core version?