title: Prevent reveal.js to zoom
body: <p>I'm using reveal.js to present screenshots, but the images are not displayed at size 100%.<br>
  My bet is that there is a «zoom» trick, as the inspector shows:</p>
  
  <pre><code>&lt;div class="slides" style="-snip- zoom: 0.5001428571428572;"&gt;
  </code></pre>
  
  <p>But that I can't prevent it to occur. Is there a configuration option, a js hack for this?</p>
  
  <p>Here is a slide where I'd like my 800×600 image to display 800×600:
  <a href="http://profgra.org/lycee/presentation_demo.html#/2" rel="nofollow">http://profgra.org/lycee/presentation_demo.html#/2</a></p>
  
  <p>Thanks!</p>