<RadzenStack Orientation="Orientation.Horizontal" Wrap="FlexWrap.Wrap" JustifyContent="JustifyContent.Center" class="rz-p-12">
    <RadzenButton Text=".rz-border-radius (theme's default)" class="rz-border-radius" />
    <RadzenButton Text=".rz-border-radius-6" class="rz-border-radius-6" />
</RadzenStack>