<div class="modal fade" id="factura" tabindex="-1" role="dialog" aria-labelledby="exampleModalLongTitle" aria-hidden="true">
    <div class="modal-dialog" role="document">
        <div class="modal-content">
            <div class="modal-header">
                <h5 class="modal-title" id="exampleModalLabel">Titulo del modal</h5>
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">&times;</span>
                </button>
            </div>
            <div class="modal-body">
                <div class="form-group">
                    <label for="numFactura">Numero de la factura:</label>
                    <input type="text" class="form-control" id="numFactura" name="numFactura" placeholder="Numero de la factura" required style="height: 35px !important;">
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Cerrar</button>
                <button type="button" class="btn btn-success">Aceptar</button>
            </div>
        </div>
    </div>
</div>