title: button with image and centered text as in the example
body: <p>I'd like to create buttons with an image and a centered text on it, here a graphic example:
  <a href="http://www.essenzialmenta.it/wp-content/uploads/2014/03/ytbtn-1.png" rel="nofollow noreferrer">http://www.essenzialmenta.it/wp-content/uploads/2014/03/ytbtn-1.png</a></p>
  
  <p>Thanks for the help!</p>