span {
  border-bottom: 1px dashed gray;
}
div#popup {
  position: absolute; left: 0; top: 0;
  width: 300px; 
  min-height:100px;
  display: none;
  background-color:#eaeaff;
  border:1px solid #d6d6ff;
  padding: 8px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
}
div#popup table.popup_table {
  font-size: 86%;
  border-collapse: collapse;
  border:none;
  width:290px;
  padding:0;
  margin:0;
}
div#popup table.popup_table th {
  white-space: nowrap;
  background-color:#eaeaff;
  font-weight:normal;
}
div#popup table.popup_table th, div#popup table.popup_table td {
  text-align: left;
  vertical-align: top;
  border: 1px #fff;
  border-style: solid none;
}