import javafx.application.*;
import javafx.scene.Scene;
import javafx.scene.control.Accordion;
import javafx.scene.control.Label;
import javafx.scene.control.TitledPane;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;

public class AccordionApp extends Application {

    static {
        System.setProperty("javafx.userAgentStylesheetUrl", "CASPIAN");
    }

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage stage) throws Exception {
        Accordion accordion = new Accordion();

        for (int i = 0; i < 5; i++) {
            TitledPane pane = new TitledPane();
            pane.setContent(new Label("Content " + i));
            pane.setText("Pane - " + i);
            accordion.getPanes().add(pane);
        }

        HBox root = new HBox();
        root.getChildren().add(accordion);

        Scene scene = new Scene(root, 600, 400);
        stage.setScene(scene);
        stage.show();
    }
}