width: 500px;
height: 500px;
background:
radial-gradient(ellipse at 0% 100%, rgb(255 96 53 / 1) 25.69%, rgb(0 0 0 / 0) 65%) -1px 8px / 448px 494px no-repeat no-repeat, /* New Background */
radial-gradient(ellipse at 0% 0%, rgb(98 72 243 / 1) 21%, rgb(0 0 0 / 0) 65%) -2px 0px / 356px 349px no-repeat no-repeat, /* New Background (copy) */
linear-gradient(0deg, rgb(255 96 53 / 1) 0%, 31.94%, rgb(73 143 254 / 1) 76%, rgb(255 255 255 / 0) 100%) 0px 158px / 500px 342px no-repeat no-repeat, /* New Background */
linear-gradient(rgb(72 144 255 / 1), rgb(72 144 255 / 1)) 0px 0px / 510px 498px no-repeat no-repeat; /* New Background */