CSS

The CSS sub-tab contains the CSS files that Oxygen XML Editor uses to render a document in the Author mode. In this sub-tab, you can set alternate CSS files. When you are editing a document in the Author mode, you can switch between these CSS files from the Styles drop-down list on the Author Styles toolbar.

The following actions are available in the CSS sub-tab:
New
Opens a dialog that allows you to add a CSS file.
Edit
Opens a dialog that allows you to edit a CSS file.
Delete
Deletes the currently selected CSS file.
Move Up
Moves the selection to the previous CSS file.
Move Down
Moves the selection to the following CSS file.
Enable multiple selection of alternate CSSs
Allows users to apply multiple alternate styles, as layers, over the main CSS style. This option is enabled by default for DITA document types.
ignore CSSs from the associated document type
The CSS files set in the CSS tab are overwritten by the CSS files specified in the document itself.
merge them with CSSs from the associated document type
The CSS files set in the CSS tab are merged with the CSS files specified in the document itself.
Related concepts
CSS Stylesheet
Related information
Selecting and Combining Multiple CSS Styles