The moon Gradient

background-image: radial-gradient(
    circle 265px at 13.8% 53.6%,
    rgba(137,137,137,1) 0%, rgba(173,181,184,1) 32.7%, rgba(187,199,204,1) 56.7%, rgba(187,199,204,1) 65.9%, rgba(187,199,204,1) 74.6%, rgba(0,0,0,1) 90.8%
);