OnlineMonitorSystem/HandyControl/HandyControl_Shared/Themes/Styles/Base/ButtonBaseBaseStyle.xaml

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

    <Style
        x:Key="ButtonBaseBaseStyle"
        TargetType="ButtonBase"
        BasedOn="{StaticResource BaseStyle}">
        <Setter Property="Height" Value="{StaticResource DefaultControlHeight}" />
        <Setter Property="BorderBrush" Value="{DynamicResource BorderBrush}" />
        <Setter Property="Padding" Value="{StaticResource DefaultControlPadding}" />
        <Setter Property="Foreground" Value="{DynamicResource TextIconBrush}" />
        <Setter Property="BorderThickness" Value="0" />
        <Setter Property="HorizontalAlignment" Value="Center" />
        <Setter Property="VerticalAlignment" Value="Center" />
        <Setter Property="HorizontalContentAlignment" Value="Center" />
        <Setter Property="VerticalContentAlignment" Value="Center" />
    </Style>

</ResourceDictionary>