/*小背景图*/
.min-bg-img {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      min-width: 1000px;
      z-index: -10;
      zoom: 1;
      background-color: #fff;
      background-image: url(http://www.tdjh333.com:88/themes/img/minibg.jpg) ;
      background-repeat: no-repeat;
      background-size: cover;
      -webkit-background-size: cover;
      -o-background-size: cover;
      background-position: center 0;
    }