.black_background_overlay{
  display: none;
  position: fixed;
  top: 0%;
  left: 0%;
  width: 100%;
  height: 100%;
  background-color: black;
  z-index:1001;
  -moz-opacity: 0.6;
  opacity:.60;
  filter: alpha(opacity=60);
}


.popup_content_window {
  font-family: arial, Ubuntu, sans-serif;
  font-size: 14pt;
  display: none;
  position: fixed;
  top: 10%;
  left: 10%;
  width: 80%;
  height: 80%;
  padding: 16px;
  border: 4px solid grey;
  background-color: #FFFFF0;
  z-index:1002;
  overflow: auto;
}