* @param event the action event
*/
@FXML
protected void showCreateLeagueWindow(final ActionEvent event) {
// build dialogue with builder
final Parent root = new CreateLeagueSceneBuilder().buildScene();
final Scene scene = new Scene(root);
scene.getStylesheets().add("stylesheet.css");
final Stage stage = new Stage();
stage.setScene(scene);
stage.setResizable(false);