PowerToys/src/settings-ui/Settings.UI/SettingsXAML/Controls/IsEnabledTextBlock.xaml

<ResourceDictionary
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:controls="using:Microsoft.PowerToys.Settings.UI.Controls">

    <Style x:Key="DefaultIsEnabledTextBlockStyle" TargetType="controls:IsEnabledTextBlock">
        <Setter Property="Foreground" Value="{ThemeResource DefaultTextForegroundThemeBrush}" />
        <Setter Property="IsTabStop" Value="False" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="controls:IsEnabledTextBlock">
                    <Grid>
                        <TextBlock
                            x:Name="Label"
                            FontFamily="{TemplateBinding FontFamily}"
                            FontSize="{TemplateBinding FontSize}"
                            FontWeight="{TemplateBinding FontWeight}"
                            Foreground="{TemplateBinding Foreground}"
                            Text="{TemplateBinding Text}"
                            TextWrapping="WrapWholeWords" />
                        <VisualStateManager.VisualStateGroups>
                            <VisualStateGroup x:Name="CommonStates">
                                <VisualState x:Name="Normal" />
                                <VisualState x:Name="Disabled">
                                    <VisualState.Setters>
                                        <Setter Target="Label.Foreground" Value="{ThemeResource TextFillColorDisabledBrush}" />
                                    </VisualState.Setters>
                                </VisualState>
                            </VisualStateGroup>
                        </VisualStateManager.VisualStateGroups>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
    <Style
        x:Key="SecondaryIsEnabledTextBlockStyle"
        BasedOn="{StaticResource DefaultIsEnabledTextBlockStyle}"
        TargetType="controls:IsEnabledTextBlock">
        <Setter Property="Foreground" Value="{ThemeResource TextFillColorSecondaryBrush}" />
        <Setter Property="FontSize" Value="{StaticResource SecondaryTextFontSize}" />
    </Style>
</ResourceDictionary>