title: Z-index Fabric.js objects
body: <p>I would like to use fabricjs to create and manipulate shapes, but it's impossible to positionate them with z-index property in html page.</p>
  
  <p>This is the control panel page that I would realize:</p>
  
  <p><a href="http://piramidart.it/Autosave/oaktree_html/index.html" rel="nofollow">http://piramidart.it/Autosave/oaktree_html/index.html</a></p>
  
  <p>Is there a solution for my problem?</p>