.background{position:relative;width:100%;height:100%;top:0;left:0;margin:0;padding:0;background:var(--themeGreen);overflow:hidden;border-radius:20px}.background li{position:absolute;display:block;list-style:none;width:20px;height:20px;background:var(--bgGray);animation:animate 10s linear infinite}.background li:nth-child(0){left:13%;width:115px;height:115px;bottom:-115px;animation-delay:1s}.background li:first-child{left:86%;width:181px;height:181px;bottom:-181px;animation-delay:2s}.background li:nth-child(2){left:5%;width:170px;height:170px;bottom:-170px;animation-delay:10s}.background li:nth-child(3){left:44%;width:128px;height:128px;bottom:-128px;animation-delay:3s}.background li:nth-child(4){left:64%;width:192px;height:192px;bottom:-192px;animation-delay:3s}.background li:nth-child(5){left:21%;width:183px;height:183px;bottom:-183px;animation-delay:19s}.background li:nth-child(6){left:19%;width:133px;height:133px;bottom:-133px;animation-delay:17s}.background li:nth-child(7){left:83%;width:123px;height:123px;bottom:-123px;animation-delay:3s}.background li:nth-child(8){left:47%;width:120px;height:120px;bottom:-120px;animation-delay:17s}.background li:nth-child(9){left:77%;width:168px;height:168px;bottom:-168px;animation-delay:8s}@keyframes animate{0%{transform:translateY(0) rotate(0deg);opacity:1;border-radius:0}to{transform:translateY(-1000px) rotate(2turn);opacity:0;border-radius:50%}}