public void showMenu() {
    continua = new TextButton("CONTINUA", Assets.getInstance().getButtonStyle());
    continua.setPosition(100, 400);
    toMenu = new TextButton("MENIU", Assets.getInstance().getButtonStyle());
    group = new Group();
    group.setSize(100, 100);
    group.addActor(continua);
    group.addActor(toMenu);
    group.setPosition(100, 400);

    Table table = new Table();
    table.add(continua);
    table.setPosition(100, 400);
    // stage.addActor(table);

    // stage.addActor(continua);
  }
  @Override
  public void show() {

    logger = new FPSLogger();
    batch = new SpriteBatch();

    // playButton = new Sprite(new Texture(Gdx.files.internal("ui/play.png")));
    // pauseButton = new Sprite(new Texture(Gdx.files.internal("ui/pause.png")));

    font = Assets.getInstance().getFont();
    tweenFont = Assets.getInstance().getFont();
    tweenFont.setColor(Color.GREEN);
    tweenFont.setX(300);
    tweenFont.setY(780);

    manager = new TweenManager();
    stage = new Scena(this);
    matriceLitere = Assets.getInstance().getMatriceLitere();

    camera = new OrthographicCamera();
    camera.position.set(480 / 2, 800 / 2, 0);
    camera.update();

    shapeRend = new ShapeRenderer();

    viewPort = new StretchViewport(480, 800);
    viewPort.setCamera(camera);
    stage.setViewport(viewPort);

    for (int i = 10; i >= 0; i--) {
      for (int j = 0; j < 7; j++) {
        stage.addActor(matriceLitere[i][j]);
      }
    }

    Gdx.input.setInputProcessor(stage);

    stage.unfocusAll();
  }