background: linear-gradient(-45deg, #0D0D1A, #1E0A3C, #2D1B69, #4A1259);
background-size: 400% 400%;
animation: aurora 12s ease infinite;
@keyframes aurora {
0% { background-position: 0% 50%; }
50% { background-position: 100% 50%; }
100% { background-position: 0% 50%; }
}
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