Very cool!
width: 450px;
height: 500px;
background:
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,0.52) 0%, rgba(255,255,255,0) 49.31%) -28px -34px / 300px 400px no-repeat no-repeat, /* New Background (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,0.52) 0%, rgba(255,255,255,0) 49.31%) 196px 160px / 300px 400px no-repeat no-repeat, /* New Background */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 20.49%, rgba(255,255,255,0) 34.38%) 181px 333px / 30px 40px no-repeat no-repeat, /* New Background (copy) (copy) (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 20.49%, rgba(255,255,255,0) 34.38%) 204px 339px / 30px 40px no-repeat no-repeat, /* New Background (copy) (copy) (copy) (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 20.49%, rgba(255,255,255,0) 34.38%) 270px 315px / 30px 40px no-repeat no-repeat, /* New Background (copy) (copy) (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 20.49%, rgba(255,255,255,0) 34.38%) 230px 336px / 30px 40px no-repeat no-repeat, /* New Background (copy) (copy) (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 20.49%, rgba(255,255,255,0) 34.38%) 250px 327px / 30px 40px no-repeat no-repeat, /* New Background (copy) (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 20.49%, rgba(255,255,255,0) 34.38%) 142px 315px / 30px 40px no-repeat no-repeat, /* New Background (copy) (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 20.49%, rgba(255,255,255,0) 34.38%) 163px 325px / 30px 40px no-repeat no-repeat, /* New Background (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,1) 20.49%, rgba(255,255,255,0) 34.38%) 102px 75px / 141px 142px no-repeat no-repeat, /* New Background */
radial-gradient(ellipse at 50% 50%, rgba(28,17,42,0.8) 60.07%, rgba(28,17,42,1) 63.19%, rgba(255,255,255,0) 67.36%) 125px 111px / 200px 241px no-repeat no-repeat, /* New Background (copy) */
radial-gradient(ellipse at 50% 50%, rgba(255,255,255,0.29) 6.25%, rgba(255,255,255,0.29) 50%, rgba(255,255,255,0) 51.39%) 75px 302px / 300px 300px no-repeat no-repeat, /* New Background (copy) (copy) */
radial-gradient(ellipse at 50% 50%, rgba(0,57,67,0.36) 50%, rgba(255,255,255,0) 51.39%) -25px -174px / 500px 425px no-repeat no-repeat, /* New Background (copy) (copy) (copy) */
radial-gradient(ellipse at 50% 50%, rgba(128,184,194,0.48) 50%, rgba(255,255,255,0) 51.39%) -25px 180px / 500px 425px no-repeat no-repeat, /* New Background (copy) (copy) */
linear-gradient(rgba(0,105,123,0.7), rgba(0,105,123,0.7)) 0px 0px / 450px 500px no-repeat no-repeat, /* New Background */
linear-gradient(0deg, rgba(255,255,255,0) 37.15%, rgba(1,87,102,1) 63.54%) 0px 0px / 450px 500px no-repeat no-repeat; /* New Background */