html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #fff;
}canvas {
    padding: 0;
    margin: 0 auto;
    display: block;
    width: 100%;
    height: 100%;
}body{overflow:hidden}div#loadingBox{width:100%;height:20px;position:absolute;top:50%;margin-top:-10px;text-align:center}div#bgBar{position:absolute;width:200px;margin-left:-100px;left:50%;height:2px;display:block;background-color:#333}div#progressBar{left:50%;position:absolute;margin-left:-100px;width:0;height:2px;background-color:#fff;border-radius:2px}div#bgBar{border-radius:2px}p#loadingInfo{color:#666;letter-spacing:1px;position:absolute;width:100%;font-family:monaco,sans-serif;text-transform:uppercase;text-align:center;font-size:14px;margin-top:10px}