This option allows you to change the font type for the text of the default card. The selected font for the text will be replicated on the active card meaning that it will be the same for both default and active cards.

All Google fonts are available for selection from the dropdown menu.

This is the text that is affected by this setting
All Google fonts are supported

If the value is left as a “Default”, the font will be taken from the WordPress template that is installed and activated on your website.