Style With Triggers

   
    

<StackPanel xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
            xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <StackPanel.Resources>
        <Style x:Key="normal">
            <Setter Property="Control.FontSize" Value="24" />
            <Setter Property="Control.HorizontalAlignment" Value="Center" />
            <Setter Property="Control.Margin" Value="24" />

            <Style.Triggers>
                <Trigger Property="Control.IsMouseOver" Value="true">
                    <Setter Property="Control.FontStyle" Value="Italic" />
                    <Setter Property="Control.Foreground" Value="Blue" />
                </Trigger>

                <Trigger Property="Button.IsPressed" Value="true">
                    <Setter Property="Control.Foreground" Value="Red" />
                </Trigger>
            </Style.Triggers>
        </Style>
    </StackPanel.Resources>

    <Button Style="{StaticResource normal}">
        Button Number 1
    </Button>
</StackPanel>