title: Best way to Highlight Code with Easybook
body: <p>I have been using Easybook quite a while recently and I am experiencing issues when wanting to highlight code with geshi using any of the available styles: fences and/or github.</p>
  
  <p>I have just came across the Symfony documentation like code highlighting and would love to intergrate this with my portable files. Below is an image:</p>
  
  <p><a href="https://i.stack.imgur.com/nvcM9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/nvcM9.png" alt="enter image description here"></a></p>
  
  <p>How possible is it to create this kind of styling with the option of turning the line numbering on?</p>