<button type="button" class="btn btn-lg btn-danger" data-toggle="popover" title="Popover title" data-content="And here's some amazing content.
    It's very engaging. Right?">Click to toggle popover</button>
<button type="button" class="btn btn-primary" data-container="body" data-toggle="popover" data-placement="top" data-content="Vivamus sagittis
    lacus vel augue laoreet rutrum faucibus.">
    Popover on top
</button>

<button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="right" data-content="Vivamus sagittis
    lacus vel augue laoreet rutrum faucibus.">
    Popover on right
</button>

<button type="button" class="btn btn-success" data-container="body" data-toggle="popover" data-placement="bottom" data-content="Vivamus
sagittis lacus vel augue laoreet rutrum faucibus.">
    Popover on bottom
</button>

<button type="button" class="btn btn-dark" data-container="body" data-toggle="popover" data-placement="left" data-content="Vivamus sagittis
    lacus vel augue laoreet rutrum faucibus.">
    Popover on left
</button>
Dismissible popover
<a tabindex="0" class="btn btn-lg btn-danger" role="button" data-toggle="popover" data-trigger="focus" title="Dismissible popover" data-content=
"And here's some amazing content. It's very engaging. Right?">Dismissible popover</a>
<span class="d-inline-block" data-toggle="popover" data-content="Disabled popover">
    <button class="btn btn-primary" style="pointer-events: none;" type="button" disabled>Disabled button</button>
</span>