#simple-popup {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100001;
}

.simple-popup-content {
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -50%); /* Safari <= 8.1 :-( */
  -ms-transform: translate(-50%, -50%); /* Bloody IE9 */
  transform: translate(-50%, -50%);
  max-height: 80%;
  max-width: 100%;
  z-index: 100002;
  padding: 30px 40px;
  overflow: auto;
}

.simple-popup-content .close {
  position: absolute;
  right: 0;
  top: 0;
}

.simple-popup-content .close::before {
  display: inline-block;
  text-align: center;
  content: "\00d7";
  font-size: 40px;
  color: lightgrey;
  width: 40px;
  line-height: 40px;
}

.simple-popup-content .close:hover {
  cursor: hand;
  cursor: pointer;
}

.simple-popup-content .close:hover::before {
  color: grey;
}

#simple-popup-backdrop,
.simple-popup-backdrop-content {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100000;
}

#simple-popup,
#simple-popup-backdrop,
#simple-popup.hide-it,
#simple-popup-backdrop.hide-it {
  -webkit-transition-property: opacity;
  -moz-transition-property: opacity;
  -ms-transition-property: opacity;
  -o-transition-property: opacity;
  transition-property: opacity;
}

#simple-popup.hide-it,
#simple-popup-backdrop.hide-it {
  opacity: 0;
}

#simple-popup,
#simple-popup-backdrop {
  opacity: 1;
}