tv_xiaoyouxi/games/dlgt/css/stylesheet.css

body {
    margin: 0px 0px 1px 0px; /* the extra 1px allows the iOS inner/outer check to work */
    background: #808080;
}

canvas {
   display : block;
   margin : auto;
}

#orientation {
    margin: 0 auto;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(../assets/orientation.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-color: rgb(0, 0, 0);
    z-index: 999;
    display: none;
}