Module Variations / Hilites allow you to vary individual modules which may otherwise inherit the same styling. This is typically achieved by adding a term into the code of the module, based on configuration in the Joomla Module Manager. Therefore, you can add styling for this in the template CSS files which will activate if you decide to use the particular suffix.
SolarSentinel is accompanied by 9 module class suffixes / variations / hilites. These are:-
If you were to add and/or use a suffix, follow these instructions. To apply a suffix, login into the administrator and navigate to Extensions > Module Manager. There, select your module and locate the Module Class Suffix input field. Insert your module class suffix in this box and save.