body {
    background-color: #000000;
    filter: progid: DXImageTransform.Microsoft.gradient(gradientType=1, startColorstr='#000000', endColorstr='#000000');
    background-image: url(//img.alicdn.com/tps/TB1d.u8MXXXXXXuXFXXXXXXXXXX-1900-790.jpg);
    background-size: 100%;
    background-image: -webkit-gradient(linear, 0 0, 100% 100%, color-stop(0, #000000), color-stop(100%, #000000));
    background-image: -webkit-linear-gradient(135deg, #000000, #000000);
    background-image: -moz-linear-gradient(45deg, #000000, #000000);
    background-image: -ms-linear-gradient(45deg, #000000 0, #000000 100%);
    background-image: -o-linear-gradient(45deg, #000000, #000000);
    background-image: linear-gradient(135deg, #000000, #000000);
    text-align: center;
    margin: 0px;
    overflow: hidden;
}