
<div class="modal" id="lg" tabindex="-1" aria-labelledby="modal" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered modal-lg">
        <div class="modal-content">
        </div>
    </div>
</div>
<div class="modal" id="m" tabindex="-1" aria-labelledby="modal" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered">
        <div class="modal-content">
        </div>
    </div>
</div>
<div class="modal" id="sm" tabindex="-1" aria-labelledby="modal" aria-hidden="true">
    <div class="modal-dialog modal-dialog-centered modal-sm">
        <div class="modal-content">
        </div>
    </div>
</div>
</body>
</html>