Spring Manual
Setting advanced formatting attributes
There is sometimes the requirement to use additional formatting settings beyond the defaults in the editor.
In this case, your site may be setup to take advantage of additional preset attributes.
To utilise these preset 'classes', select the text or element on in the editor you wish to apply the class to, and click the 'Insert/Edit Attributes' icon:
From the 'Class' drop down menu, choose the appropriate option:
Some preset classes will be visually highlighted within the editor to help you identify them: