Basic Overview

<button type="button" class="btn btn-primary" data-toggle="popover" title="Popover title" data-content="And here's some amazing content. It's very engaging. Right?">
  ...
</button>

Directions

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

Attr	Keys
data-placement="*"	top \| right \| bottom \| left