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        <Style TargetType="ListBox">
            <Style.Resources>
                <!-- this customizes the background color when the item is selected but inactive -->
                <SolidColorBrush x:Key="{x:Static SystemColors.ControlBrushKey}">DodgerBlue</SolidColorBrush>
            </Style.Resources>
            <Style.Triggers>
                <!-- this customizes the foreground color when the item is selected but inactive -->
                <Trigger Property="Selector.IsSelected" Value="True">
                    <Setter Property="TextElement.Foreground" Value="White"/>
                </Trigger>
            </Style.Triggers>
        </Style>