Boostrap modal fullscreen

bootstrap-modal.html

<div class="modal fade" id="modal-id" tabindex="-1" role="dialog">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                <h4>Título</h4>
            </div>
            <div class="modal-body" style="max-height: calc(100vh - 212px);overflow-y: auto;">
                <div class="list-group">
                </div>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Cerrar</button>
            </div>
        </div><!-- /.modal-content -->
    </div><!-- /.modal-dialog -->
</div><!-- /.modal -->