width: 1200px;
height: 500px;
background:
radial-gradient(circle at 50% 50%, rgb(255 69 203 / 0.51) 0%, rgb(0 0 0 / 0) 65.28%, rgb(69 168 255 / 0) 100%) -451px -321px / 1053px 782px no-repeat no-repeat, /* upper-left */
radial-gradient(ellipse at 50% 50%, rgb(151 255 69 / 0.51) 0%, rgb(0 0 0 / 0) 65.28%, rgb(69 168 255 / 0) 100%) 306px 148px / 1475px 611px no-repeat no-repeat, /* lower-right */
conic-gradient(from 26deg at 0% 0%, rgb(213 255 69 / 0.47) 0%, rgb(255 136 69 / 0.21) 45.49%, rgb(255 255 255 / 0) 72.22%) 0px 0px / 1200px 501px no-repeat no-repeat, /* large */
linear-gradient(-6deg, rgb(17 14 62 / 1) 0%, 42.01%, rgb(69 168 255 / 1) 100%) 0px 0px / 1200px 500px no-repeat no-repeat; /* main-bg */