title: how to custom the buttons of the knp paginator
body: <p>I integrated knp bundle in my project but the buttons of the paginator is like that </p>
  
  <p><a href="https://i.stack.imgur.com/aZWn3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/aZWn3.png" alt="enter image description here"></a></p>
  
  <p>how can i make the button like in my template </p>
  
  <p><a href="https://i.stack.imgur.com/BhylC.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/BhylC.png" alt="enter image description here"></a></p>
  
  <pre><code>&lt;div id="blog_pagination" class="pagination pagination-centered clearfix"&gt;
                      &lt;a class="next page-numbers" href="#"&gt;&lt;i class="ci_icon-chevron-left"&gt;&lt;/i&gt;&lt;/a&gt;
                      &lt;span class="page-numbers current"&gt;1&lt;/span&gt;
                      &lt;a class="page-numbers" href="#"&gt;2&lt;/a&gt;
                      &lt;a class="next page-numbers" href="#"&gt;&lt;i class="ci_icon-chevron-right"&gt;&lt;/i&gt;&lt;/a&gt;
                  &lt;/div&gt;
  </code></pre>