body {
  margin: 0;
  padding: 0;
  text-align: center;
  min-width: 600px;
  background-color: #29BCBD;
  background-image:url('http://www.spoiledrottenkids.com/backgrounds/inthebay.jpg');
  background-attachment:fixed; 
}
#centeredlayer {
  position: relative;
  top: 0;
  right: 0;
  margin: 0 auto;
  width: 900px;
  text-align: left;
  Border-style: dashed;
  border-width: 0px;
  border-color: black;
}
#centered_div {
  padding:1px;
  position: relative; top: 27px; left: 0px; width: 790px; height: 1361px; z-index: 1; 
  
}