dialog {
  border: none;
  border-radius: 0.5rem;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  max-width: 28rem;
  margin:30% auto;
}

dialog::backdrop {
  background-color: rgba(0, 0, 0, 0.75);
}