Default Modal
if you want to keep the default modal then you can keep it using modal-dialog
Center Modal
if you want to keep the default modal then you can keep it using modal-dialog-centered
Scrollable Modal
if you want to keep the default modal then you can keep it using modal-dialog-centered / modal-dialog-scrollable
Modal Sizing
if you want modal sizing use modal-dialog / sm / lg / xl
Full Screen Modal
if you want to keep the default modal then you can keep it using modal-fullscreen