Rainbowful Gradient

background-image: radial-gradient(
    circle farthest-corner at -12.4% 116.8%,
    rgba(224,56,56,1) 0%, rgba(205,74,20,1) 17.2%, rgba(227,255,53,1) 33.1%, rgba(78,228,88,1) 57.3%, rgba(78,135,228,1) 74.5%, rgba(164,20,205,1) 88.5%, rgba(205,20,158,1) 96.2%
);