Select the text you want to change.
To change all of the text in a text box or a table cell, select the text box or triple-click the table cell.
Click the Text tab at the top of the sidebar on the right, then click the Style button near the top of the sidebar.
If you don’t see a sidebar, or the sidebar doesn’t have a Text tab, click
in the toolbar.

Click the Font pop-up menu, then choose a font.
Click the small arrows to the right of the font size to make the font larger or smaller.
Tip: You can add buttons to the toolbar for changing the font or making selected text bigger or smaller.