Will Pittenger

        <Style
            TargetType="ListBox">
            <Setter
                Property="Background"
                Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}" />
            <Setter
                Property="Template">
                <Setter.Value>
                    <ControlTemplate
                        TargetType="Label">
                        <Grid>
                            <Grid.RowDefinitions>
                                <RowDefinition
                                    Height="Auto" />
                                <RowDefinition
                                    Height="*" />
                            </Grid.RowDefinitions>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition
                                    Width="10" />
                                <ColumnDefinition
                                    Width="Auto" />
                                <ColumnDefinition
                                    Width="*" />
                            </Grid.ColumnDefinitions>
                            <Border
                                Grid.Row="0"
                                Grid.Column="0"
                                BorderThickness="1,1,0,0"
                                CornerRadius="2,0,0,0"
                                BorderBrush="{DynamicResource {x:Static SystemColors.ControlDarkDarkBrushKey}}">
                                <Border.Background>
                                    <LinearGradientBrush
                                        StartPoint="0,0"
                                        EndPoint="0,1">
                                        <LinearGradientBrush.GradientStops>
                                            <GradientStopCollection>
                                                <GradientStop
                                                    Color="{DynamicResource ControlLightColor}"
                                                    Offset="0.0" />
                                                <GradientStop
                                                    Color="{DynamicResource ControlMediumColor}"
                                                    Offset="1.0" />
                                            </GradientStopCollection>
                                        </LinearGradientBrush.GradientStops>
                                    </LinearGradientBrush>
                                </Border.Background>
                            </Border>
                            <Border
                                Grid.Row="0"
                                Grid.Column="2"
                                BorderThickness="0,1,1,0"
                                CornerRadius="0,2,0,0"
                                BorderBrush="{DynamicResource {x:Static SystemColors.ControlDarkDarkBrushKey}}">
                                <Border.Background>
                                    <LinearGradientBrush
                                        StartPoint="0,0"
                                        EndPoint="0,1">
                                        <LinearGradientBrush.GradientStops>
                                            <GradientStopCollection>
                                                <GradientStop
                                                    Color="{DynamicResource ControlLightColor}"
                                                    Offset="0.0" />
                                                <GradientStop
                                                    Color="{DynamicResource ControlMediumColor}"
                                                    Offset="1.0" />
                                            </GradientStopCollection>
                                        </LinearGradientBrush.GradientStops>
                                    </LinearGradientBrush>
                                </Border.Background>
                            </Border>
                            <ItemsPresenter
                                Grid.Row="0"
                                Grid.Column="1" />
                            <Border
                                Grid.Row="1"
                                Grid.Column="0"
                                Grid.ColumnSpan="3"
                                BorderThickness="1,0,1,1"
                                CornerRadius="0,0,2,2"
                                BorderBrush="{DynamicResource {x:Static SystemColors.ControlDarkDarkBrushKey}}">
                                <Border.Background>
                                    <LinearGradientBrush
                                        EndPoint="0.5,1"
                                        MappingMode="RelativeToBoundingBox"
                                        StartPoint="0.5,0">
                                        <GradientStop
                                            Color="{DynamicResource ControlLightColor}"
                                            Offset="0" />
                                        <GradientStop
                                            Color="{DynamicResource ControlMediumColor}"
                                            Offset="1" />
                                    </LinearGradientBrush>
                                </Border.Background>
                            </Border>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>