FPGACoder/HandyControl/HandyControl_Shared/Themes/Styles/Base/GravatarBaseStyle.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:hc="clr-namespace:HandyControl.Controls">

    <Style x:Key="GravatarBaseStyle" TargetType="hc:Gravatar">
        <Setter Property="Focusable" Value="False"/>
        <Setter Property="Width" Value="72"/>
        <Setter Property="Height" Value="72"/>
        <Setter Property="Background" Value="{DynamicResource SecondaryRegionBrush}"/>
        <Setter Property="hc:BorderElement.CornerRadius" Value="{StaticResource DefaultCornerRadius}"/>
        <Setter Property="Padding" Value="6"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="hc:Gravatar">
                    <Border ClipToBounds="True" CornerRadius="{Binding Path=(hc:BorderElement.CornerRadius),RelativeSource={RelativeSource TemplatedParent}}" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}">
                        <ContentPresenter Margin="{TemplateBinding Padding}"/>
                    </Border>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    
</ResourceDictionary>