html, body, .ring, .img {
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    user-select:none;
}

.stage {
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    user-select:none;
}

html, body, .stage {
    overflow:hidden;
    background:#000;
}

div, svg {
    position: absolute;
}

nav {
    margin-top: 2em;
    text-align: center;
}

.container {
    perspective: 2000px;
    width: 300px;
    height: 400px;
    left:50%;
    top:50%;
    transform:translate(-50%,-50%);
}

a {
    display: inline-block;
    vertical-align: middle;
    color: white;
    font-family: Arial;
    font-weight: bold;
    text-decoration: none;
    margin-left: 1em;
    margin-right: 1em;
}

footer {
    font-family: Arial;
    font-weight: normal;
    position: fixed;
    left: 0;
    bottom: 0.5em;
    width: 100%;
    color: white;
    text-align: center;
}

footer div {
    font-family: Arial;
    font-size: 0.9em;
    font-weight: normal;
    position: fixed;
    left: 0;
    bottom: 5em;
    width: 100%;
    color: white;
    text-align: center;
}

footer img {
    margin-bottom: -0.5em;
}