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

* {
    margin: 0px;
}

.area {
    background: #dadbe55c;
    background: -webkit-linear-gradient(to left, #8f94fb, #dadbe55c);
    width: 100%;
    position: fixed;
    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: #7016d08f;
        animation: animate 25s linear infinite;
        bottom: -150px;
    }

    .circles li:nth-child(1) {
        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: 50px;
        height: 50px;
        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: 50px;
        height: 50px;
        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: 40px;
        height: 40px;
        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%;
    }
}