@import url('https://fonts.googleapis.com/css?family=Exo:400,700');

* {
    margin: 0px;
    padding: 0px;
}

body {
    font-family: 'Exo', sans-serif;
    padding: 2em;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    flex-flow: column;
    box-sizing: border-box;
}
}

header {
    display: flex;
    justify-content: center;
    align-items: center;
}

main {
    margin-top: 1em;
    text-align: center;
    color:#333;
}

video {
    width: 100%;
    max-width: 500px;
    height: auto;
    margin: 1em 0;
    border: 11px solid rgba(255,255,255,0.5);
    border-radius: 20px;
    box-sizing:border-box;  
}

.logo {
    width: 100%;
    height: auto;
    max-width: 600px;
}


.area {
    background: #4e54c8;
    background: -webkit-linear-gradient(top left, rgba(236,177,47,0.5), rgba(55,197,240,0.5));
    width: 100%;
    height: 100vh;
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;


}

.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: rgba(55, 197, 240, 0.2);
    animation: animate 25s linear infinite;
    bottom: -150px;

}

.circles li:nth-child(1) {
    left: 25%;
    width: 80px;
    height: 80px;
    animation-delay: 0s;
    background: rgba(236, 177, 47, 0.6);
}


.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;
    background: rgba(55, 197, 240, 0.2);
}

.circles li:nth-child(4) {
    left: 40%;
    width: 60px;
    height: 60px;
    animation-delay: 0s;
    animation-duration: 18s;
    background: rgba(225, 29, 90, 0.1);
}

.circles li:nth-child(5) {
    left: 65%;
    width: 20px;
    height: 20px;
    animation-delay: 0s;
    background: rgba(236, 177, 47, 0.3);
}

.circles li:nth-child(6) {
    left: 75%;
    width: 110px;
    height: 110px;
    animation-delay: 3s;
    background: rgba(55, 197, 240, 0.5);
}

.circles li:nth-child(7) {
    left: 35%;
    width: 150px;
    height: 150px;
    animation-delay: 7s;
    background: rgba(46, 182, 125,0.5)
}

.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;
    background: rgba(225 ,29, 90,0.3)
}

.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;
    }

    100% {
        transform: translateY(-1000px) rotate(720deg);
        opacity: 0;
        border-radius: 50%;
    }
}