If you click on the group arrow
in the bottom right corner of the ribbon tab Home | group Paragraph, you will also find a button labeled Character in the open dialog box. You can use this button to change the character formatting (font, text styles, etc.) for whole paragraphs.
To change the character formatting of whole paragraphs, select the desired paragraphs and click on the Character button in the dialog box. The program will display another dialog box, which resembles that of the ribbon tab Home | group Character. For more information, see Character formatting.