xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
TargetType="{x:Type RadioButton}">
Padding="10"
CornerRadius="100">
Property="BorderThickness"
Value="3" />
HorizontalAlignment="Center"
Content="1" />
HorizontalAlignment="Center"
Content="2"
IsChecked="True" />
HorizontalAlignment="Center"
Content="3" />