ShrlAlgoToolkit/WPFluent/Controls/Label/Label.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <Style TargetType="{x:Type Label}">
        <Setter Property="Padding" Value="0,0,0,4" />
        <Setter Property="Focusable" Value="False" />
        <Setter Property="Foreground" Value="{DynamicResource TextFillColorSecondaryBrush}" />
        <Setter Property="SnapsToDevicePixels" Value="True" />
    </Style>

</ResourceDictionary>