.popup {
  position: absolute;
  display: inline-block;
  cursor: pointer;
  width: 70%;
  visibility: hidden;
  padding: 15px;
  color:#fff;
  background:rgba(0,0,0,0.56);
  font-family:Helvetica;
  /*height: 100%;*/
  top: 3%;
  bottom: 3%;
  overflow-y: scroll;
}