If you have not had a chance to take a look at this new guide on help.sap.com you should!
This document gives you an overview about the customization possibilities of the SAP Enable Now.
This includes how to adapt the style, text and documentation resources in your workarea.
The instructions allow you to adapt the styles based on templates for own requirements or your corporate identity as well as different use cases for your learning content.
The resources are part of the workarea and contain the styles, text modules and configurations for the creation and playback of learning content. The resources are located in the resource structure of the project explorer.
The adaptable resources are part of the workarea resource tree and are located on top of the resource structure. They contain customizable resources like styles and templates.