title: Div height:0px does not work?
body: <pre><code>&lt;div style="height:0px;max-height:0px"&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>Setting a div height to 0px does not seem to work. </p>
  
  <p>The div expands to show its contents, how do we prevent this from happening?</p>