Simple HTML codelines for tooltips

<button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="top" title="Tooltip on top">  Tooltip on top</button><button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="right" title="Tooltip on right">  Tooltip on right</button><button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="bottom" title="Tooltip on bottom">  Tooltip on bottom</button><button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="left" title="Tooltip on left">  Tooltip on left</button>