SAS/src/SASDesktop/Styles/Forms.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Style x:Key="FormContainer" TargetType="StackPanel">
        <Setter Property="Margin" Value="32,0"/>
        <Setter Property="MaxWidth" Value="1024"/>
    </Style>

    <Style x:Key="FormBody" TargetType="Grid">
        <Setter Property="Margin" Value="0"/>
    </Style>

    <Style x:Key="ButtonPanel" TargetType="StackPanel">
        <Setter Property="Orientation" Value="Horizontal"/>
        <Setter Property="Margin" Value="0,4"/>
    </Style>

    <Style TargetType="Page">
        <Setter Property="Background" Value="White"/>
    </Style>
</ResourceDictionary>