.aurora-container{width:100%;height:100%}.aurora-fallback{background:radial-gradient(120% 80% at 30% 80%,#431d7c99 0%,#f63b124d 40%,#fcae4433 70%,#0000 100%);animation:8s ease-in-out infinite alternate aurora-drift}@keyframes aurora-drift{0%{opacity:.8;background-position:0%}to{opacity:1;background-position:100%}}