/* CONTAINER (.modal): Bootstrap escuta transitionend aqui */
.modal.fade {
  opacity: 0;
  transition: opacity 0.3s linear;
  /* z-index: 9999 !important; */
}
.modal.in,            /* BS3 */
.modal.show {
  /* BS5 */
  opacity: 1;
}

/* DIALOG: movimento + fade com transition (entrada e saída) */
.modal.fade .modal-dialog {
  transform: translate3d(0, -25%, 0);
  opacity: 0;
  transition:
    transform 0.3s ease-out,
    opacity 0.3s ease-out;
  will-change: transform, opacity;
}
.modal.in .modal-dialog,     /* BS3 (aberto) */
.modal.show .modal-dialog {
  /* BS5 (aberto) */
  transform: translate3d(0, 0, 0);
  opacity: 1;
}