1) Login to admin panel
2) Expand the “Settings” menu, and then click “Options”
3) Select the value “Style & Language Settings” from the drop down Setting Group
4) Check the value “Yes” under the tab  Allow Users To Change Styles

1) Login to admin panel
2)Expand the “Settings” menu, and then click “Options”
3) Select the value “Style & Language Settings” from the drop down Setting Group
4) Select the value from the drop down under the tab “Default Style”