>
    <div class="col-md-9 col-sm-8">
      <p>
        To increase icon sizes relative to their container, use the <code>fa-lg</code> (33% increase), <code>fa-2x</code>,
        <code>fa-3x</code>, <code>fa-4x</code>, or <code>fa-5x</code> classes.
      </p>
{% highlight html %}
<i class="fa fa-camera-retro fa-lg"></i> fa-lg
<i class="fa fa-camera-retro fa-2x"></i> fa-2x
<i class="fa fa-camera-retro fa-3x"></i> fa-3x
<i class="fa fa-camera-retro fa-4x"></i> fa-4x
<i class="fa fa-camera-retro fa-5x"></i> f