.modal-container {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  opacity: 0;
  visibility: hidden;
}
.modal-container.active {
  opacity: 1;
  visibility: visible;
}
.modal-container .overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 10;
}
.modal-container .modal {
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background-color: #fff;
  border-radius: 3px;
  padding: 25px;
  opacity: 0;
  visibility: hidden;
  z-index: 12;
}
.modal-container .modal.active {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%);
}