How to scale the Carousel items

public partial class KBSolutionPage : ContentPage
{
public KBSolutionPage()
{
    InitializeComponent();
 
    //Create an instance of carousel 
 
    SfCarousel sfCarousel = new SfCarousel();
 
    //ScaleOffset property is used to scale the unselected items in carousel control.
 
    sfCarousel.ScaleOffset = 1;
 
    if (Device.OS == TargetPlatform.Android)
    {
        sfCarousel.ItemWidth = 170;
        sfCarousel.ItemHeight = 250;
    }
    if (Device.OS == TargetPlatform.iOS)
    {
        sfCarousel.ItemWidth = 150;
        sfCarousel.ItemHeight = 300;
    }
 
    var carouselModel = new List<CarouselModel> {
        new CarouselModel ("image1.png"),
        new CarouselModel ("image2.png"),
        new CarouselModel ("image3.png"),
        new CarouselModel ("image4.png"),
        new CarouselModel ("image5.png")
    };
    var carouselModelDataTemplate = new DataTemplate(() =>
    {
        var grid = new Grid();
        var nameLabel = new Image();
        nameLabel.SetBinding(Image.SourceProperty, "Image");
        grid.Children.Add(nameLabel);
        return grid;
    });
 
    //Assign the collection of customview's collection to carousel's collection property
    sfCarousel.ItemTemplate = carouselModelDataTemplate;
    sfCarousel.DataSource = carouselModel;
 
    this.Content = sfCarousel;
}
}
 
public class CarouselModel
{
public CarouselModel(string imagestr)
{
    Image = imagestr;
}
private string _image;
 
public string Image
{
    get { return _image; }
    set { _image = value; }
}
}