Java SE (Java Platform, Standard Edition)

I have not been able to set the background color of a text area. Here is what I am trying and it works for other components.

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import javafx.application.Application;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.scene.control.TextArea;

public class TextAreaTest extends Application{
  public void start(Stage stage){
    TextArea area = new TextArea();
    area.setStyle("-fx-background-color: black; -fx-text-fill: lightgreen;");
    Scene s = new Scene(area);
    stage.setTitle("black text area");
    stage.setScene(s);
    stage.show();
  }
  public static void main(String[] args){
    launch(args);
  }

}

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I am using jdk 8 with whichever javafx version is included. I searched quite a bit on the internet and I seem to see mixed results using this technique.

Thank you.