The Styling panel on the Canvas allows you to change the fonts, colors, and other styling attributes of tiles on your page. You can also make use of pre-configured style templates.
From the Designer panel, select Styling option to switch from the Builder panel to the Styling panel. In the Table Properties area, select Report-Styling from the Templates drop-down list. Choose OK when prompted by the dialog.
You can also change individual fonts and other styling options such as size, color, templates, etc., using this option.