title: CSS columns don't work with Firefox
body: <p>I'm making a web page with a Pinterest style, however the columns property do not work in Firefox. </p>
  
  <p><a href="http://www.tutorialmonsters.com/ejemplos/CSS-pinterest-columnas/ejemplo.html" rel="nofollow">This is the example that I am following</a>, you can try it in Firefox.</p>
  
  <p>This is the relevant CSS:</p>
  
  <pre><code>#columns {
      -moz-column-count: 3;
      -moz-column-gap: 10px;
      -moz-column-fill: auto;
      -webkit-column-count: 3;
      -webkit-column-gap: 10px;
      -webkit-column-fill: auto;
      column-count: 3;
      column-gap: 15px;
      column-fill: auto;
  }
  </code></pre>
  
  <p>Any suggestions?</p>