gradient

background-image: radial-gradient(
    circle farthest-corner at 10% 20%,
    rgba(255,255,255,1) 0%, rgba(234,234,234,1) 9.7%, rgba(235,235,235,1) 22.4%, rgba(200,200,200,1) 36%, rgba(198,198,198,1) 49.2%, rgba(160,160,160,1) 61.5%, rgba(154,154,154,1) 73.7%, rgba(125,125,125,1) 85.6%, rgba(110,110,110,1) 97.9%
);