PCL2-NewsHomepage/Project/resources/Styles/VersionHeaderImage.xaml

<Style TargetType="local:MyImage" x:Key="VersionImage" >
  <Setter Property="Stretch" Value="UniformToFill"/>
  <Setter Property="VerticalAlignment" Value="Center"/>
</Style>

<ControlTemplate TargetType="ContentControl" x:Key="InnerShadow">
  <Grid Opacity="0.95" Margin="4">
    <Border x:Name="InnerShadowMask" CornerRadius="8" Background="White"/>
    <ContentPresenter/>
    <Border Margin="-8.1" CornerRadius="8" BorderThickness="8" BorderBrush="black">
        <Border.Effect>
            <DropShadowEffect BlurRadius="20" ShadowDepth="0" Color="Black"/>
        </Border.Effect>
    </Border>
    <Grid.OpacityMask>
        <VisualBrush Stretch="None" Visual="{Binding ElementName=InnerShadowMask}"/>
    </Grid.OpacityMask>
  </Grid>
</ControlTemplate>