You can remove style selectors, embedded styles, and linked style sheets in the Global Style Sheet editor, and you can remove imported style sheets and style selectors in the standalone Style Sheet editor.
Removing styles using the Inline Styles editor
To remove styles using the Inline Styles editor, you can either
set each style attribute to a null value or remove the attributes
directly in the Source view of the HTML editor.
To remove items from a style sheet:
In the left pane of the style sheet editor, right-click the item you want to remove.
From the pop-up menu, select Delete.
