THE BORDER OF THE "PancakeView" CHANGE Thickness WHEN THE BOX IS PARTIALLY HIDDEN.

[Michele-94]

this is the cod in the .xaml file.

<yummy:PancakeView x:Name="Love"
Grid.Row="0" Grid.Column="0"
VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand" BackgroundColor="White" CornerRadius="40">

    <yummy:PancakeView.GestureRecognizers>
      <TapGestureRecognizer Tapped="TapGestureRecognizer_Tapped" NumberOfTapsRequired="1" CommandParameter="Love"/>
    </yummy:PancakeView.GestureRecognizers>

    <yummy:PancakeView.Border>
      <yummy:Border Color="#000000" Thickness="2"/>
    </yummy:PancakeView.Border>

    <yummy:PancakeView.Shadow>
      <yummy:DropShadow BlurRadius="7"/>
    </yummy:PancakeView.Shadow>

    <StackLayout VerticalOptions="FillAndExpand" HorizontalOptions="FillAndExpand" Background="white">
      <Image VerticalOptions="CenterAndExpand" HorizontalOptions="CenterAndExpand" 
             Source="Love.png" Margin="0,20,0,0" WidthRequest="100" HeightRequest="100"/>
      <Label Text="Amore" VerticalOptions="End" HorizontalOptions="CenterAndExpand"
           TextColor="Black" TextTransform="Uppercase" FontSize="Title" FontAttributes="Bold" CharacterSpacing="0" HorizontalTextAlignment="Center" Margin="0,5,0,20"/>
    </StackLayout>
  </yummy:PancakeView>

The box is inside a grid cell and the grid are inside of a ScrollView, when user scrolls down the page, the box change the Thickness automatically when is partially hidden by the view. please help.