body {
    padding: 0;
    margin: 0;
    font-family: arial;
    background: #757e94;
}

#view {
    width: 300px;
    height: 400px;
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%,-50%);
    -moz-transform: translate(-50%,-50%);
    -ms-transform: translate(-50%,-50%);
    -o-transform: translate(-50%,-50%);
    transform: translate(-50%,-50%);
}

#view canvas {
    position: absolute;
    top: 0;
    left: 0;
}