2018-11-22-centering horizontally and vertically

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    #tv { height: 100%; display: flex; text-align: center; align-items: center; }
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    <section id="tv">
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            <div class="display-3">Mukesh Dak</div>
            This is to demonstrate horizontal and vertical centering in Bootstrap 4.1.3
            <br>Centering is responsive and is irrespective of content size.
        </div>
    </section>


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