public void start(Stage stage) {
Button yesButton = new Button("Yes");
Button noButton = new Button("No");
Button maybeButton = new Button("Maybe");
final double rem = Font.getDefault().getSize();
HBox buttons = new HBox(0.8 * rem);
buttons.getChildren().addAll(yesButton, noButton, maybeButton);
VBox pane = new VBox(0.8 * rem);
Label question = new Label("Will you attend?");
pane.setPadding(new Insets(0.8 * rem));
pane.getChildren().addAll(question, buttons);
stage.setScene(new Scene(pane));
stage.show();
}
