title: Bootstrap class btn-arrow-left not working
body: <p>Hey fellas I need a left arrow btn like this </p>
  
  <p><a href="https://i.stack.imgur.com/sZoJj.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/sZoJj.png" alt="bootstrap left arrow button"></a></p>
  
  <p>I have added <code>btn-arrow-left</code> class but its not working. Any suggestions</p>
  
  <pre><code>&lt;div id="leftButon" class="col-md-3"&gt;
    &lt;button type="button" class="btn btn-default btn-arrow-left"&gt;Default&lt;/button&gt; 
  &lt;/div&gt;
  </code></pre>