body{
   background: url(//images.cnblogs.com/cnblogs_com/52tnet/1820058/o_200803085639123.png) fixed;
}
#footer{ display:none;}
#home{
    opacity:0.8;
     margin-bottom:0px;
    box-shadow: 0 2px 6px rgba(100,100,100,.3);
}

#footer_1{
 opacity:0.8;
  background-color:#fff;
   color: #686868;
    text-align: center;
    min-height: 15px;
    _height: 15px;
    border-top: 1px solid #ededed;
   width: 65%;
    min-width: 950px;
  margin:0 auto 20px auto;
   padding: 10px 30px 10px 30px ;
   box-shadow: 0 2px 6px rgba(100,100,100,.3);
}
@media  only screen and (max-width: 767px){
#footer_1{width:auto;min-width:0;}
body{background-size:contain;}
#sideBar{display:none;}
}