* {
    margin: 0;
    padding: 0;
    font-size: 13px;
    font-family: "Microsoft YaHei";
}

html,
body {
    width: 100%;
    height: 100%;
    background: #fff;
}

#container {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
}

#output {
    width: 100%;
    height: 100%;
}