title: How can I style the ProgressBar component in JavaFX
body: <p>I am trying to add custom css styling to the JavaFX ProgressBar component but I couldn't find any information on the topic. I am looking for the css class names and the css commands that are required to:  </p>
  
  <ul>
  <li>set the color of the progress bar itself </li>
  <li>set the background color of the progress bar (not the same as setting the background color)  </li>
  <li>add a custom text node on top of the progress bar (to show the different states)</li>
  </ul>