You can assign a different style to a widget on your dashboard. Using styles you can customize the look and feel of your widgets, for example, colors schemes, fonts or background color.
The styles provided for the selected widget are part of the style template that is assigned to the current dashboard.
Procedure
Create a dashboard or open a dashboard in the dashboard editor.
Click a widget on the dashboard. The relevant properties dialog is displayed.
Click More options.
Select a style in the Style drop-down menu.
The selected style is applied to the current widget.