.modal-background {
  background: rgba(0, 0, 0, 0.5);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;

  display: none;
  justify-content: center;
  align-items: center;
}

.modal-show {
  display: flex;
}

.modal {
  background: var(--bg-colour);
  padding: 1rem;
  border-radius: 4px;
}