This is an example of the "light-headline" css class.

This is an example of the "medium-headline" css class.

This is an example of the "black-headline" css class.

This is an example of the "light-tagline" css class.

This is an example of the "medium-tagline" css class.

This is an example of the "black-tagline" css class.

This is an example of the "light-body" css class.

This is an example of the "medium-body" css class.

This is an example of the "black-body" css class.

This is an example of the "light-caption" css class.

This is an example of the "medium-caption" css class.

This is an example of the "black-caption" css class.

To implement these in rich text modules, go to the source code and add the classes to the affected elements.