<!--
<p>Simple progress bars.</p>
-->
<px-progress-bar value="0.25"></px-progress-bar>
<px-progress-bar class="info" value="0.50"></px-progress-bar>
<px-progress-bar class="warning" value="0.75"></px-progress-bar>
<px-progress-bar class="danger" value="1.00"></px-progress-bar>
