private async Task AnimateButtons()
        {
            Button1.Scale = 0;
            Button2.Scale = 0;
            Button3.Scale = 0;
            Button4.Scale = 0;
            Button5.Scale = 0;
            Button6.Scale = 0;
            Button7.Scale = 0;
            Button8.Scale = 0;
            Button9.Scale = 0;
            Button0.Scale = 0;
            ButtonX.Scale = 0;

            await Task.Delay(300);

            var tasks = new Task[]
            {
                Button1.ScaleTo(1, 200),
                Button2.ScaleTo(1, 200),
                Button3.ScaleTo(1, 200),
                Button4.ScaleTo(1, 200),
                Button5.ScaleTo(1, 200),
                Button6.ScaleTo(1, 200),
                Button7.ScaleTo(1, 200),
                Button8.ScaleTo(1, 200),
                Button9.ScaleTo(1, 200),
                Button0.ScaleTo(1, 200),
                ButtonX.ScaleTo(1, 200)
            };
            await Task.WhenAll(tasks);
        }