title: In JavaFX executable jar file popUp stages seems that do not read CSS file
body: <p>In JavaFX executable jar file of my application, popUp stages seems that do not read CSS file. They appear with default layout, while in eclipse IDE they load CSS stylesheet correctly without any exceptions.
  Here is in eclipse IDE:
  <a href="http://i.stack.imgur.com/C1j1D.png" rel="nofollow">Run application in eclipse</a></p>
  
  <p>Here is with executable jar file:
  <a href="http://i.stack.imgur.com/MQNMU.png" rel="nofollow">Run with executable jar</a></p>
  
  <p>Why this difference? Thanks for the eventual answer.</p>