patternfly/tests-src/_includes/widgets/cards/dashboard-timeframe-header.html

This reference implementation of PatternFly is based on [Bootstrap v3](http://getbootstrap.com/). Think of PatternFly as a "skinned" version of Bootstrap with additional components and customizations.

<div class="card-pf">
  <div class="card-pf-heading">
    <div class="dropdown card-pf-time-frame-filter">
      <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown">
        Last 30 Days <span class="caret"></span>
      </button>
      <ul class="dropdown-menu dropdown-menu-right" role="menu">
        <li><a href="#">Last 60 Days</a></li>
        <li><a href="#">Last 90 Days</a></li>
      </ul>
    </div>
    <h2 class="card-pf-title">
      Card Title
    </h2>
  </div>
  <div class="card-pf-body">
    <p>[card contents]</p>
  </div>
</div>