title: JavaFX set label text by css
body: <p>I was wondering if by javafx-css it's possible to set label text.
  On the official documentation i found a reference to</p>
  
  <pre><code>-fx-text: "whatever";
  </code></pre>
  
  <p>but isn't working, basically i'm searching for and equivalent of css3</p>
  
  <pre><code>content: "whatever";
  </code></pre>
  
  <p>specified here: <a href="http://www.w3schools.com/cssref/pr_gen_content.asp" rel="nofollow noreferrer">W3School</a></p>