dialog {
  width: min(720px, calc(100% - 30px));
  max-height: calc(100vh - 30px);
  overflow: hidden;
}

dialog form {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  max-height: calc(100vh - 32px);
}

#modal-body {
  overflow: auto;
}