title: How to get a custom icon in a back button?
body: <p>I have following code:</p>
  
  <pre><code>&lt;ion-nav-buttons side="left"&gt;
      &lt;button class="button button-icon icon ion-chevron-left" ng-click="goBack()"&gt;&lt;/button&gt;
  &lt;/ion-nav-buttons&gt;
  </code></pre>
  
  <p>Which producing following output:</p>
  
  <p><img src="https://i.stack.imgur.com/yrDvR.png" alt="enter image description here"></p>
  
  <p>I would like to change used icons for the custom icon (48×48 px).</p>
  
  <p>How can I do it in right way in Ionic?</p>
  
  <p>I tried to follow the instructions in <a href="http://forum.ionicframework.com/t/how-to-use-custom-icons-with-tabs-0-9-26/1628" rel="nofollow noreferrer">this topic</a>, but without luck.</p>