Custom CSS classes can be created and applied to the body tag of basic pages. Like class names applied to a widget container, custom body classes can then be used for custom theming purposes.
In order to enable the ability to allow custom class to be added to basic pages, a sites administrator needs to:
1. Create a custom role and assign a member or member(s) who would could use this advanced feature.
2. The custom class name field will appear on the right side of a basic page edit form for the memberships with the appropriate role.
3. Custom class name(s) in the markup