width: 500px;
height: 500px;
background:
repeating-linear-gradient(-23deg, rgb(255 255 255 / 0) 0%, rgb(255 255 255 / 0.22) 1.3%, rgb(69 168 255 / 0) 2.7%, rgb(69 168 255 / 0) 2.7%) 0px 0px / 500px 500px no-repeat no-repeat, /* Thin lines */
repeating-linear-gradient(-71deg, rgb(255 255 255 / 0) 0%, rgb(255 255 255 / 0.17) 6.88%, rgb(69 168 255 / 0) 14.29%, rgb(69 168 255 / 0) 14.29%) 0px 0px / 500px 500px no-repeat no-repeat, /* Thick lines */
linear-gradient(344deg, rgb(255 255 255 / 0) 25%, rgb(238 64 64 / 1) 44.49%, rgb(237 155 64 / 1) 62.87%, rgb(69 168 255 / 0) 77.21%) 0px 0px / 500px 500px no-repeat no-repeat, /* Color gradient 1 */
linear-gradient(21deg, rgb(255 255 255 / 0) 61.4%, rgb(38 3 3 / 1) 100%) 0px 0px / 500px 500px no-repeat no-repeat, /* Color gradient 2 */
linear-gradient(314deg, rgb(88 37 183 / 1) 6.99%, rgb(61 170 245 / 1) 28.68%, rgb(69 168 255 / 0) 51.1%) 0px 0px / 500px 500px no-repeat no-repeat, /* Color gradient 3 */
linear-gradient(27deg, rgb(69 255 144 / 1) 50.74%, rgb(69 168 255 / 0) 100%) 0px 0px / 500px 500px no-repeat no-repeat; /* Color gradient 4 */