@import url("https://fonts.googleapis.com/css?family=Exo:400,700");.area{background:linear-gradient(180deg,#0f423a,#0e0f0f);z-index:-1}.area,.circles{height:100%;left:0;position:absolute;top:0;width:100%}.circles{overflow:hidden}.circles li{animation:animate 25s linear infinite;background:hsla(0,0%,100%,.08);bottom:-150px;display:block;height:20px;list-style:none;position:absolute;width:20px}.circles li:first-child{animation-delay:0s;height:80px;left:25%;width:80px}.circles li:nth-child(2){animation-delay:2s;animation-duration:12s;height:20px;left:10%;width:20px}.circles li:nth-child(3){animation-delay:4s;height:20px;left:70%;width:20px}.circles li:nth-child(4){animation-delay:0s;animation-duration:18s;height:60px;left:40%;width:60px}.circles li:nth-child(5){animation-delay:0s;height:20px;left:65%;width:20px}.circles li:nth-child(6){animation-delay:3s;height:110px;left:75%;width:110px}.circles li:nth-child(7){animation-delay:7s;height:150px;left:35%;width:150px}.circles li:nth-child(8){animation-delay:15s;animation-duration:45s;height:25px;left:50%;width:25px}.circles li:nth-child(9){animation-delay:2s;animation-duration:35s;height:15px;left:20%;width:15px}.circles li:nth-child(10){animation-delay:0s;animation-duration:11s;height:150px;left:85%;width:150px}@keyframes animate{0%{border-radius:0;opacity:1;transform:translateY(0) rotate(0deg)}to{border-radius:50%;opacity:0;transform:translateY(-1000px) rotate(2turn)}}