body{
  margin:0px;
  background:#000000 url(images/back.jpg) no-repeat;
  background-attachment: fixed;
  width:1000px;
}
#content{
 margin-top:50px;
 margin-left:26px;
 padding:5px;
 font-family:Arial, Helvetica, sans-serif;
 width:470px;
}
#content .title{
 text-align:left;
 font-size:16px;
 font-weight:bold;
 color:#000000;
}
#content .text{
 text-align:justify;
 font-size:14px;
 color:#000000;
}
#content .line{
 margin:auto;
 width:470px;
 border-bottom:#000000 solid 1px;
}
#content .explain{
 font-size:12px;
}
#content .author{
 font-size:14px;
 font-weight:bold;
 color:#000000;
}