A Content Completion Assistant, similar to the one available for XML documents offers the CSS properties and the values available for each property. It is activated with the Ctrl Space (Command Space on OS X) shortcut and is context-sensitive when invoked for the value of a property. The Content Completion Assistant also includes code templates that can be used to quickly insert code fragments into CSS stylesheets. The code templates that are proposed include form controls, actions, and Author mode operations.
Figure: Content Completion in CSS Stylesheets
The properties and values available are dependent on the CSS Profile selected in the CSS preferences . The CSS 2.1 set of properties and property values is used for most of the profiles. However, with CSS 1 and CSS 3 specific proposal sets are used.
The profile CSS 3 with Oxygen extensions includes all the CSS 3 standard properties plus the CSS extensions specific for Oxygen XML Editor that can be used in Author mode.