The Cascading Style Sheet (CSS) class name of the weblet when the mouse is moved over it.
Default value
No default value applies for this weblet.
Valid values
Any valid class name from the Cascading Style Sheet, in single quotes. A list of available classes can be selected from by clicking the corresponding dropdown list in the property sheet. For example, the mouseover_class property after the shipped mouseover class has been selected could be "std_anchor_mouseover'.