.black_overlay{
  position: absolute;
  top: 0%;
  left: 0%;
  width: 100%;
  height: 100%;
  background-color: black;
  z-index:1001;
  -moz-opacity: 0.8;
  opacity:.80;
  filter: alpha(opacity=80);
  display: block;
}

.white_content {
  position: absolute;
  top: 40%;
  left: 34%;
  width: 32%;
  height: 20%;
  padding: 16px;
  border: 15px solid #CEDCF8;
  background-color: white;
  z-index:1002;
  overflow: auto;
  display: block;
 }