.abstract-background-circles{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden}.abstract-background-circles li{border-radius:0;position:absolute;display:block;list-style:none;width:20px;height:20px;background:rgba(238,238,238,.29);animation:animate 40s linear infinite;bottom:-150px;box-shadow:4px 4px #cecece69;z-index:-2}.abstract-background-circles li:nth-child(1){left:25%;width:80px;height:80px;animation-delay:0s;animation-duration:16s}.abstract-background-circles li:nth-child(2){left:10%;width:20px;height:20px;animation-delay:2s;animation-duration:12s}.abstract-background-circles li:nth-child(3){left:70%;width:20px;height:20px;animation-delay:4s}.abstract-background-circles li:nth-child(4){left:12%;width:60px;height:60px;animation-delay:0s;animation-duration:18s}.abstract-background-circles li:nth-child(5){left:65%;width:20px;height:20px;animation-delay:0s}.abstract-background-circles li:nth-child(6){left:75%;width:110px;height:110px;animation-delay:3s}.abstract-background-circles li:nth-child(7){left:16%;width:150px;height:150px;animation-delay:7s;animation-duration:24s}.abstract-background-circles li:nth-child(8){left:26%;width:25px;height:25px;animation-delay:15s;animation-duration:45s}.abstract-background-circles li:nth-child(9){left:20%;width:15px;height:15px;animation-delay:2s;animation-duration:35s}.abstract-background-circles li:nth-child(10){left:85%;width:120px;height:120px;animation-delay:0s;animation-duration:24s}@keyframes animate{0%{transform:translateY(0) rotate(0);opacity:1;border-radius:0}to{transform:translateY(-1000px) rotate(720deg);opacity:0;border-radius:50%}}