1html {
2 height: 100%;
3 background-image: radial-gradient(transparent 50%, purple 0, purple 60%, transparent 60%), radial-gradient(transparent 50%, purple 0, purple 60%, transparent 60%), radial-gradient(transparent 50%, purple 0, purple 60%, transparent 60%), radial-gradient(transparent 50%, purple 0, purple 60%, transparent 60%);
4 background-size: 200px 50px, 150px 50px, 100px 40px, 50px 20px;
5 background-position: 50% 50%, 50% 55%, 50% 60%, 50% 65%;
6 background-repeat: no-repeat;
7 animation: 2s bloomp infinite; }
8
9@keyframes bloomp {
10 50% {
11 background-position: 50% 55%, 50% 50%, 50% 45%, 50% 40%; } }
12