In the Content styles tab of the Portal section, users with the ADMIN or PORTAL_ADMIN role can use CSS properties to customize the following aspects of structured documents:
- Topic Styles: customize the content style of topics in the Reader page.
- Title Styles: customize the title styles in the Reader page.
- Background Images: add one or more background images to display in the Reader page. It is possible to customize this image in the Background Styles section.
- Custom CSS classes: define CSS classes that annotate the Document Object Model (DOM) of content in the Reader Page based on metadata.
For more information on CSS customization, see the Content styles section of the Fluid Topics Configuration and Administration Guide.