void AddButton()
 {
     Task.Factory.StartNew(() =>
     {
         Thread.Sleep(5000);
         ActionButton btn = null;
         Color color      = new Color(rnd.NextDouble(), rnd.NextDouble(), rnd.NextDouble());
         btn = new ActionButton()
         {
             ButtonColor = color,
             Color       = color.Luminosity < 0.3 ? Color.White : Color.Black,
             Size        = i % 2 == 0 ? Abstraction.Size.Normal : Abstraction.Size.Mini,
             Clicked     = (obj, evt) =>
             {
                 if (btn?.Rotation == 0)
                 {
                     btn?.RotateTo(315, 500, Easing.SpringOut);
                 }
                 else
                 {
                     btn?.RotateTo(0, 500, Easing.SpringOut);
                 }
             },
             Content = new FontAwesomeIcon()
             {
                 Icon = FAIcons.FACheck
             }
         };
         Menu.Contents.Add(btn);
         if (i++ < 2)
         {
             AddButton();
         }
     });
 }