@import url(https://fonts.googleapis.com/css?family=Exo:400,700);.mask-custom{backdrop-filter:blur(5px);background-color:hsla(0,0%,100%,.15)}.navbar-brand{font-size:1.75rem;letter-spacing:3px}.body{background:linear-gradient(-45deg,#ee7752,#e73c7e,#23a6d5,#23d5ab);background-size:400% 400%;animation:gradient 15s ease infinite;height:100vh}@keyframes gradient{0%{background-position:0 50%}50%{background-position:100% 50%}to{background-position:0 50%}}*{margin:0;padding:0}.body{font-family:Exo,sans-serif}.context{width:100%;position:absolute;top:50vh}.context h1{text-align:center;color:#fff;font-size:50px}.area{background:#4e54c8;background:-webkit-linear-gradient(270deg,#8f94fb,#4e54c8);width:100%;height:100vh}.circles{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden}.circles li{position:absolute;display:block;list-style:none;width:20px;height:20px;background:hsla(0,0%,100%,.2);animation:animate 25s linear infinite;bottom:-150px}.circles li:first-child{left:25%;width:80px;height:80px;animation-delay:0s}.circles li:nth-child(2){left:10%;width:20px;height:20px;animation-delay:2s;animation-duration:12s}.circles li:nth-child(3){left:70%;width:20px;height:20px;animation-delay:4s}.circles li:nth-child(4){left:40%;width:60px;height:60px;animation-delay:0s;animation-duration:18s}.circles li:nth-child(5){left:65%;width:20px;height:20px;animation-delay:0s}.circles li:nth-child(6){left:75%;width:110px;height:110px;animation-delay:3s}.circles li:nth-child(7){left:35%;width:150px;height:150px;animation-delay:7s}.circles li:nth-child(8){left:50%;width:25px;height:25px;animation-delay:15s;animation-duration:45s}.circles li:nth-child(9){left:20%;width:15px;height:15px;animation-delay:2s;animation-duration:35s}.circles li:nth-child(10){left:85%;width:150px;height:150px;animation-delay:0s;animation-duration:11s}@keyframes animate{0%{transform:translateY(0) rotate(0deg);opacity:1;border-radius:0}to{transform:translateY(-1000px) rotate(2turn);opacity:0;border-radius:50%}}