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

@keyframes animate {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
        border: 0;
    }

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

* {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Exo', sans-serif;
}

.context {
    z-index: 1;
    width: 100%;
    position: absolute;
    top: 40vh;
}

.context span:nth-child(1) {
    color: hsl(0, 100%, 67%);
    font-size: 50px;
}

.context span:nth-child(2) {
    color: hsl(304, 100%, 79%);
    font-size: 50px;
}

.context h1 {
    text-align: center;
    color: #f8d1d1;
    font-size: 50px;
}

.context h3 {
    text-align: center;
    color: #f8d1d1;
    font-size: 30px;
}

.buttons {
    width: 100%;
    margin-top: 30px;
    display: flex;
    justify-content: center;
}

.btn {
    margin: 0 10px;
    padding: 10px 20px;
    font-size: 30px;
    background-color: hsl(228, 48%, 84%);
    border: 1px solid black;
}

.btn:hover {
    cursor: pointer;
    background-color: hsl(228, 48%, 90%);
}

.area {
    position: absolute;
    background: #4e54c8;
    background: -webkit-linear-gradient(to left, #8f98fb, #4e54c8);
    background: linear-gradient(to left, #8f98fb, #4e54c8);
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.circles li {
    position: absolute;
    display: block;
    list-style: none;
    width: 20px;
    width: 20px;
    background: rgba(255, 255, 255, 0.2);
    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: 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;
}