.dettaglio {
  position: absolute !important; top:20px; left:85px;
  background-color: #ccc;
  display:none; z-index:10;
  border: 3px solid grey;
  padding: 10px;
  width: 600px; height:400px;
  text-align: center;
}
.dettClose {
  position: absolute; right: 5px; top: 5px;
  float: right;
  text-align: center;
}