.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;

  width: 100vw;
  height: 100vh;

  background: rgba(0, 0, 0, 0.65);

  display: flex;
  justify-content: center;
  align-items: center;

  z-index: 9999;
}

#popup-card {
  position: relative;

  background: white;
  border-radius: 12px;

  width: 80%;

  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);

  /* Adding a drop shadow below */
  /* filter: drop-shadow(5px 5px 10px #183046); */
}

.popup-close-button {

  position: absolute;
  top: 0.75rem;
  right: 0.75rem;

  border: none;
  background: transparent;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}