#structure {
  background-repeat: no-repeat;
  background-position: bottom;
}

#lay_body {
  border-left:1px solid #000000;
  border-right:1px solid #000000;
  border-bottom:0px solid #000000;
  padding-top:20px;
  padding-left:15px;
  padding-right:10px;
  padding-bottom: 200px;
}

#lay_f1 {
  background-color: #ffffff;
  border-top:1px solid #000000;
  border-left:1px solid #000000;
  border-right:1px solid #000000;
}