<Style TargetType="{x:Type local_windows:BaseLocalWindow}">
        <Setter Property="Width" Value="320" />
        <Setter Property="Height" Value="430" />
        <Setter Property="Background" Value="{DynamicResource LowerLevel}" />
        <Setter Property="RenderTransform">
            <Setter.Value>
                <TransformGroup>
                    <TranslateTransform 
                        X="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local_windows:BaseLocalWindow},
                        Path=OffsetX, Mode=OneWay}"
                        Y="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=local_windows:BaseLocalWindow},
                        Path=OffsetY, Mode=OneWay}" />
                </TransformGroup>
            </Setter.Value>
        </Setter>
  </Style>