Font Family

This text is in Serif.
This text is in Sans-Serif.
This text is in Cursive.
This text is in Fantasy.
Actual fonts can be specified like Comic Sans MS

Font Sizing

This is xx-small text.
This is x-small text.
This is small text.
This is medium text.
This is large text.
This is x-large text.
This is xx-large text.
This is smaller text than the rest.
This is larger text than the rest.
This is exactly 18 point text.
This is 200% larger text.

Font Style, Weight, and Variant

This text is italic.
This text is oblique.
This text is bold.
This text is in smallcaps.