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

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

div, svg {
    position: absolute;
}

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

.img {
    background-size: cover;
    background-position: center;
    border-top-right-radius: 50px;
    border-bottom-right-radius: 50px;
}