You can apply visual styles to your Px views in a couple of ways. One method is to configure Px properties. However, these are instance properties, meaning that you must define and configure the properties on every Px page. An alternative is to use Workbench themes to apply styles globally, which means all Px files reference a single properties file, the NSS (Niagara Style Sheet). To learn more, see “About Workbench Themes” in the Niagara User Guide.