Themes allow you to control the visual presentation of a document - report or dashboard - and determines the document's overall look. A default document theme is the default color scheme that a new document uses by default, on its creation.

To Set a Default Document Theme

1. Navigate to Configuration > Default Document Theme.
   

2. Select a theme from the list of themes.

3. Click the Save Changes button.

   After setting the default document theme, you can observe that the theme is applied on creating a dashboard or a report. The end-user can always change the default theme to a theme of his choice.