vaadin-framework/src/com/vaadin/demo/colorpicker/gwt/ColorPickerWidgetSet.gwt.xml

<module>
	<!-- Inherit DefaultWidgetSet -->
	<inherits name="com.vaadin.terminal.gwt.DefaultWidgetSet" /> 
	
	<!-- WidgetSet default theme -->	
	<stylesheet src="colorpicker/styles.css"/>

</module>