#header{display:none;} /* 将默认的导航头屏蔽掉 */
body { 
     background-color: #efefef;
     background-image:url(https://images.cnblogs.com/cnblogs_com/zgbzbl/1593248/o_%E6%89%93%E5%AD%97%E6%9C%BA%20%E4     %B9%A6%20%E7%AC%94%E8%AE%B0%E6%9C%AC%20%E7%BA%B8%20%E5%8A%9E%E5%85%AC%E6%A1%8C%204K%E5%9B%BE%E7%89%87_%E5%BD%BC%E5%B2%B8%E5%9B%BE%E7%BD%91_gaitubao_2122x1415.jpg); 
     background-repeat: no-repeat; 
     background-attachment: fixed; 
     background-position: center 0; 
     background-size: cover; 
    padding-top:0px;
  }

#home{

}


/* 定制公告栏时钟位置 */
#clockdiv {
    /* left, center, right */
    text-align: center;
}