We customize the extensions for each template with unique styles which can be replicated inside the template by adding the "favstyle" Module Class Suffix inside the Advanced settings of the module.

How to use the custom styles for our extensions

Adding the favstyle Module Class Suffix will replicate the custom styles for the extensions. To remove the custom styles for the extensions and revert them to their default look, simply remove the favstyle:

FavThemes tutorial for vertical menus