.modal { display: flex !important; align-items: center; justify-content: center; } .modal-dialog { margin: 0 !important; position: relative; top: auto; left: auto; transform: none !important; }#signUpModal { display: 'flex'; justify-content: 'center'; align-items: 'center'; }.modal-dialog { height: 100vh !important; display: flex; } .modal-content { margin: auto !important; height: fit-content !important; }