dialog:modal {
  margin: auto;
  width: 90%;
  max-width: 500px;
  border-radius: 16px;
  border: 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  animation: fade-in 200ms ease;
}

@keyframes fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

dialog::backdrop {
  /* 0.1-light, 0.9-dark */
  background: rgba(0, 0, 0, 0.8);
}