PowerToys/src/settings-ui/Settings.UI/Controls/KeyVisual/KeyVisual.xaml

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

    <x:Double x:Key="DefaultIconSize">16</x:Double>
    <x:Double x:Key="SmallIconSize">12</x:Double>
    <Style x:Key="DefaultTextKeyVisualStyle" TargetType="local:KeyVisual">
        <Setter Property="MinWidth" Value="56" />
        <Setter Property="MinHeight" Value="48" />
        <Setter Property="Background" Value="{ThemeResource AccentButtonBackground}" />
        <Setter Property="Foreground" Value="{ThemeResource AccentButtonForeground}" />
        <Setter Property="BorderBrush" Value="{ThemeResource AccentButtonBorderBrush}" />
        <Setter Property="BorderThickness" Value="{ThemeResource ButtonBorderThemeThickness}" />
        <Setter Property="Padding" Value="16,8,16,8" />
        <Setter Property="FontWeight" Value="SemiBold" />
        <Setter Property="HorizontalAlignment" Value="Center" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="FontSize" Value="18" />
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="local:KeyVisual">
                    <Grid>
                        <VisualStateManager.VisualStateGroups>
                            <VisualStateGroup x:Name="CommonStates">
                                <VisualState x:Name="Normal"/>
                                <VisualState x:Name="Disabled">
                                    <VisualState.Setters>
                                        <Setter Target="ContentHolder.Fill" Value="{ThemeResource AccentButtonBackgroundDisabled}" />
                                        <Setter Target="KeyPresenter.Foreground" Value="{ThemeResource AccentButtonForegroundDisabled}" />
                                        <Setter Target="ContentHolder.Stroke" Value="{ThemeResource AccentButtonBorderBrushDisabled}" />
                                        <!--<Setter Target="ContentHolder.StrokeThickness" Value="{TemplateBinding BorderThickness}" />-->
                                    </VisualState.Setters>
                                </VisualState>
                            </VisualStateGroup>
                            <VisualStateGroup x:Name="StateStates">
                                <VisualState x:Name="Default"/>
                                <VisualState x:Name="Error">
                                    <VisualState.Setters>
                                        <Setter Target="ContentHolder.Fill" Value="{ThemeResource InfoBarErrorSeverityBackgroundBrush}" />
                                        <Setter Target="KeyPresenter.Foreground" Value="{ThemeResource InfoBarErrorSeverityIconBackground}" />
                                        <Setter Target="ContentHolder.Stroke" Value="{ThemeResource InfoBarErrorSeverityIconBackground}" />
                                        <Setter Target="ContentHolder.StrokeThickness" Value="2" />
                                    </VisualState.Setters>
                                </VisualState>
                            </VisualStateGroup>
                        </VisualStateManager.VisualStateGroups>
                        <Grid>
                            <Rectangle x:Name="ContentHolder"
                                Fill="{TemplateBinding Background}"
                                Stroke="{TemplateBinding BorderBrush}"
                                StrokeThickness="{TemplateBinding BorderThickness}"
                                RadiusX="4"
                                RadiusY="4"
                                Height="{TemplateBinding Height}"
                                MinWidth="{TemplateBinding MinWidth}"/>
                            <ContentPresenter x:Name="KeyPresenter"
                                          FontWeight="{TemplateBinding FontWeight}"
                                          Foreground="{TemplateBinding Foreground}"
                                          Content="{TemplateBinding Content}"
                                          Margin="{TemplateBinding Padding}"
                                          FontSize="{TemplateBinding FontSize}"
                                          HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                          VerticalAlignment="Center" />
                        </Grid>
                    </Grid>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>

    <Style x:Key="SmallTextKeyVisualStyle" TargetType="local:KeyVisual" BasedOn="{StaticResource DefaultTextKeyVisualStyle}">
        <Setter Property="MinWidth" Value="40" />
        <Setter Property="Height" Value="36" />
        <Setter Property="FontWeight" Value="SemiBold" />
        <Setter Property="Padding" Value="12,0,12,2" />
        <Setter Property="FontSize" Value="14" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
    </Style>

    <Style x:Key="SmallOutlineTextKeyVisualStyle" TargetType="local:KeyVisual" BasedOn="{StaticResource DefaultTextKeyVisualStyle}">
        <Setter Property="MinWidth" Value="40" />
        <Setter Property="Background" Value="{ThemeResource ButtonBackground}" />
        <Setter Property="Foreground" Value="{ThemeResource ButtonForeground}" />
        <Setter Property="BorderBrush" Value="{ThemeResource ButtonBorderBrush}" />
        <Setter Property="Height" Value="36" />
        <Setter Property="FontWeight" Value="SemiBold" />
        <Setter Property="Padding" Value="8,0,8,2" />
        <Setter Property="FontSize" Value="13" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
    </Style>


    <Style x:Key="DefaultIconKeyVisualStyle" TargetType="local:KeyVisual" BasedOn="{StaticResource DefaultTextKeyVisualStyle}">
        <Setter Property="MinWidth" Value="56" />
        <Setter Property="MinHeight" Value="48" />
        <Setter Property="FontFamily" Value="{ThemeResource SymbolThemeFontFamily}" />
        <Setter Property="Padding" Value="16,8,16,8" />
        <Setter Property="FontSize" Value="14" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
    </Style>

    <Style x:Key="SmallIconKeyVisualStyle" TargetType="local:KeyVisual" BasedOn="{StaticResource DefaultTextKeyVisualStyle}">
        <Setter Property="MinWidth" Value="40" />
        <Setter Property="Height" Value="36" />
        <Setter Property="FontFamily" Value="{ThemeResource SymbolThemeFontFamily}" />
        <Setter Property="FontWeight" Value="Normal" />
        <Setter Property="Padding" Value="0" />
        <Setter Property="FontSize" Value="10" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
    </Style>

    <Style x:Key="SmallOutlineIconKeyVisualStyle" TargetType="local:KeyVisual" BasedOn="{StaticResource DefaultTextKeyVisualStyle}">
        <Setter Property="MinWidth" Value="40" />
        <Setter Property="Background" Value="{ThemeResource ButtonBackground}" />
        <Setter Property="Foreground" Value="{ThemeResource ButtonForeground}" />
        <Setter Property="BorderBrush" Value="{ThemeResource ButtonBorderBrush}" />
        <Setter Property="FontFamily" Value="{ThemeResource SymbolThemeFontFamily}" />
        <Setter Property="Height" Value="36" />
        <Setter Property="FontWeight" Value="SemiBold" />
        <Setter Property="Padding" Value="0" />
        <Setter Property="FontSize" Value="9" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
    </Style>
</ResourceDictionary>