:root{--accent:#400040}
body{background:transparent}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(color-mix(in srgb,var(--bg) 45%,transparent),color-mix(in srgb,var(--bg) 85%,transparent)),url("/background?v=4") center/cover no-repeat}