@media (min-width: 992px) {
  .modal-lg, .modal-xl {
    --bs-modal-width: 80%;
  }
}
@media (min-width: 576px) {
  .modal-dialog {
    max-width: 80%;
  }
}
.modal-dialog.modal-lg .modal-content {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  align-content: stretch;
  height: auto;
}
.modal-form .modal-body {
  flex-grow: 1;
  height: 80%;
}
.modal-form .modal-body iframe {
  height: 80vh;
  display: flex;
  position: relative;
}