private void DisplayResults(Scorecard scorecard)
        {
            var button = new Button
            {
                Text = "Return to Home"
            };

            button.Clicked += async(sender, args) => await Navigation.PopModalAsync();

            Content =
                new StackLayout
            {
                Children =
                {
                    new Label
                    {
                        Text = scorecard.ToString()
                    },
                    button
                }
            };
        }