title: JavaFX tab-pane styling, how to remove extra white space
body: <p>I'm styling JavaFX TabPane component with css and I haven't bee able to find what is actually making extra whitespace around the tabs. Have someone found the way to remove extra space from tabheader area? Picture is showing what I'm having currently.</p>
  
  <p><img src="https://i.stack.imgur.com/mp4Sl.png" alt="Styled tabs. Extra grey area should still be removed."></p>