<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <SolidColorBrush x:Key="Brush.LedOn" Color="Yellow"/>
    <SolidColorBrush x:Key="Brush.LenOff" Color="Gray"/>

    <Style TargetType="Border" x:Key="Styles.Border.IO">
        <Setter Property="Background" Value="{StaticResource Brush.LenOff}"/>
        <Setter Property="Height" Value="12"/>
        <Setter Property="Width" Value="10"/>
        <Setter Property="Margin" Value="1,1"/>
        <Style.Triggers>
            <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=Self}, Path=Tag}" Value="True">
                <Setter Property="Background" Value="{StaticResource Brush.LedOn}"/>
            </DataTrigger>
        </Style.Triggers>
    </Style>
    <Style TargetType="TextBlock" x:Key="Styles.Text.IO">
        <Setter Property="HorizontalAlignment" Value="Center"/>
        <Setter Property="FontSize" Value="10"/>
    </Style>
</ResourceDictionary>