width: 500px;
height: 500px;
background:
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 53px 217px / 80px 80px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 104px 231px / 50px 50px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 112px 256px / 70px 70px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 27px 235px / 70px 70px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 4px 259px / 70px 70px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 63px 247px / 90px 90px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 23px 247px / 90px 90px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 307px 333px / 80px 80px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 331px 336px / 127px 80px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 348px 321px / 60px 60px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 383px 314px / 60px 60px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 420px 350px / 60px 60px no-repeat no-repeat, /* Cloud (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 0%, 60.8%, rgba(255,255,255,0) 61%) 409px 327px / 60px 60px no-repeat no-repeat, /* Cloud */
linear-gradient(90deg, rgba(154,74,228,0) 30%, rgba(154,74,228,1) 30%, 34%, rgba(27,149,236,1) 34%, 38%, rgba(44,182,254,1) 38%, 42%, rgba(0,214,2,1) 42%, 46%, rgba(252,247,6,1) 46%, 50%, rgba(253,178,3,1) 50%, 54%, rgba(247,36,1,1) 54%, 58%, rgba(247,36,1,0) 58%) 250px 252px / 333px 124px no-repeat no-repeat, /* Rainbow (linear) */
radial-gradient(circle at 50% 100%, rgba(154,74,228,0) 30%, rgba(154,74,228,1) 30%, 34%, rgba(27,149,236,1) 34%, 38%, rgba(44,182,254,1) 38%, 42%, rgba(0,214,2,1) 42%, 46%, rgba(252,247,6,1) 46%, 50%, rgba(253,178,3,1) 50%, 54%, rgba(247,36,1,1) 54%, 58%, rgba(247,36,1,0) 58%) 50px -14px / 400px 267px no-repeat no-repeat, /* Rainbow */
linear-gradient(0deg, rgba(128,222,234,1) 0%, rgba(128,222,234,1) 100%) 0px 0px / 500px 500px no-repeat no-repeat; /* Background */