#left
{
   float:left;
   width:690px;
   margin-right:10px;
}
#left .one690 .content
{
   line-height:20px;
}
#left .banner
{
   width:690px;
   height:200px;
}
#left .kuan
{
   border: solid 1px #c9c9c9;
   width: 180px;
   padding: 5px 5px;
   margin:0
}


#right
{
   float:left;
   width:250px;
}