Any user can change their style, by clicking the Gear icon, selecting Settings and choosing a style from the Style ID list box. If the user does not have a style set, the style defined by the Default Style ID on the Parameters page is used.
To set a default style for users:
Select Admin > Configuration > Parameters in the Navigation pane.
Select a value from the Default Style ID list box.
NOTE: The application ships with default styles.
NOTE: To see the new setting, refresh the page.