@import url("https://fonts.googleapis.com/css?family=Comfortaa");

* {
    box-sizing: border-box;
}

body,
html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

body {
    background-color: #1D255A;
    font-family: sans-serif;
}

.container {
    z-index: 1;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: 10px;
    min-width: 300px;
}

.container div {
    display: inline-block;
}

.container .lock {
    opacity: 1;
}

.container h1 {
    font-family: "Comfortaa", cursive;
    font-size: 100px;
    text-align: center;
    color: #eee;
    font-weight: 100;
    margin: 0;
}

.container p {
    color: #fff;
}

.lock {
    transition: 0.5s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
}

.lock.generated {
    transform: scale(0.5);
    position: absolute;
    -webkit-animation: 2s move linear;
    animation: 2s move linear;
    -webkit-animation-fill-mode: forwards;
    animation-fill-mode: forwards;
}

.lock ::after {
    content: "";
    background: #13183c;
    opacity: 0.3;
    display: block;
    position: absolute;
    height: 100%;
    width: 50%;
    top: 0;
    left: 0;
}

.lock .bottom {
    background: #D68910;
    height: 40px;
    width: 60px;
    display: block;
    position: relative;
    margin: 0 auto;
}

.lock .top {
    height: 60px;
    width: 50px;
    border-radius: 50%;
    border: 10px solid #fff;
    display: block;
    position: relative;
    top: 30px;
    margin: 0 auto;
}

.lock .top::after {
    padding: 10px;
    border-radius: 50%;
}

@-webkit-keyframes move {
    to {
        top: 100%;
    }
}

@keyframes move {
    to {
        top: 100%;
    }
}

@media (max-width: 420px) {
    .container {
        transform: translate(-50%, -50%) scale(0.8);
    }

    .lock.generated {
        transform: scale(0.3);
    }
}