@keyframes animate{0%{transform:translateY(0) rotate(0);opacity:1;border-radius:0}to{transform:translateY(-1000px) rotate(720deg);opacity:0;border-radius:50%}}.background{position:fixed;width:100vw;height:100vh;top:0;left:0;margin:0;padding:0;background:#8db4f6;overflow:hidden}.background li{position:absolute;display:block;list-style:none;width:20px;height:20px;background:#fff3;animation:animate 30s linear infinite}.background li:nth-child(0){left:61%;width:374px;height:374px;bottom:-374px;animation-delay:1s}.background li:nth-child(1){left:42%;width:231px;height:231px;bottom:-231px;animation-delay:4s}.background li:nth-child(2){left:42%;width:330px;height:330px;bottom:-330px;animation-delay:9s}.background li:nth-child(3){left:42%;width:266px;height:266px;bottom:-266px;animation-delay:15s}.background li:nth-child(4){left:51%;width:342px;height:342px;bottom:-342px;animation-delay:18s}.background li:nth-child(5){left:15%;width:219px;height:219px;bottom:-219px;animation-delay:24s}.background li:nth-child(6){left:60%;width:154px;height:154px;bottom:-154px;animation-delay:4s}.background li:nth-child(7){left:32%;width:201px;height:201px;bottom:-201px;animation-delay:15s}.background li:nth-child(8){left:39%;width:268px;height:268px;bottom:-268px;animation-delay:8s}.background li:nth-child(9){left:12%;width:375px;height:375px;bottom:-375px;animation-delay:31s}.background li:nth-child(10){left:17%;width:217px;height:217px;bottom:-217px;animation-delay:32s}.background li:nth-child(11){left:70%;width:338px;height:338px;bottom:-338px;animation-delay:38s}.background li:nth-child(12){left:13%;width:372px;height:372px;bottom:-372px;animation-delay:45s}.background li:nth-child(13){left:57%;width:296px;height:296px;bottom:-296px;animation-delay:25s}.background li:nth-child(14){left:52%;width:143px;height:143px;bottom:-143px;animation-delay:50s}.background li:nth-child(15){left:21%;width:246px;height:246px;bottom:-246px;animation-delay:6s}.background li:nth-child(16){left:37%;width:271px;height:271px;bottom:-271px;animation-delay:36s}.background li:nth-child(17){left:6%;width:198px;height:198px;bottom:-198px;animation-delay:81s}.background li:nth-child(18){left:63%;width:247px;height:247px;bottom:-247px;animation-delay:31s}