Popovers

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