private void Start()
    {
        levelController = FindObjectOfType <LevelController>();
        levelPopup      = FindObjectOfType <LevelPopup>();
        left            = GameObject.Find("Left");
        right           = GameObject.Find("Right");

        levelSelectPanel = transform;

        for (int i = 0; i < levelController.levels.Count; i++)
        {
            levelList.Add(levelUI);
        }

        BuildLevelPage(0);
    }