title: How to add margins in nvd3 graphs
body: <p>I am using nvd3.js library and its horizontal graph <a href="http://nvd3.org/ghpages/multiBarHorizontal.html" rel="nofollow">http://nvd3.org/ghpages/multiBarHorizontal.html</a>
  I am trying to add some margins between the bars by the following css but is not working.
  <a href="http://jsfiddle.net/petran/x7Cdz/1/" rel="nofollow">http://jsfiddle.net/petran/x7Cdz/1/</a></p>
  
  <pre><code>rect {
  display: inline-block;
  margin-top: 25px;
  margin-bottom: 5px;}
  </code></pre>
  
  <p>Is there another way to accomplish that ?</p>