====== PlayGround ======


<progress><bar value="60"></bar></progress>

<bar type="info" value="0" animate="true">1</bar>

<jumbotron>
====== Hello, world! ======
 
This is a simple hero unit, a simple jumbotron-style 
component for calling extra attention to featured
content or information.
 
<btn type="primary">[[#|Learn more]]</btn>
</jumbotron>