JSFiddle - React, Tailwind, and code Playground

HTML

<!-- Button trigger modal -->
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">click me</button>
<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
                 <h4 class="modal-title" id="myModalLabel">Modal title</h4>

            </div>
            <div class="modal-body">
                <p>
                    <img class='img-responsive' src="http://i.stack.imgur.com/X9H81.jpg" />
                </p>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
            </div>
        </div>
    </div>
</div>

CSS

.modal {
    text-align:center;
}
.modal-dialog {
    display: inline-block;
    width: auto;
}
.img-responsive {
    max-height: calc(100vh - 225px);
}