The CSS Class field allows an author to provide an optional class name that will apply a style to the contents. See Styles section below for a list of styles that can be applied to a text & image ...

But you don’t need to use it, and your sites can still look good without it. How Do CSS and HTML Work Together? If you ...

It allows you to insert and format text content, as well as add images and format tables. There are several editing options for the Text component: In-Component Editing, Source Edit (HTML), and ...