This template uses local Google Font (Open Sans). It means, this template has included the local Open Sans font from Google. Therefore, you don't have to connect to Internet in order to use that Google Font.
This is very useful when your Web Application is not connected to Internet, and can only be connected to your Intranet or such private local network.
You can also adjust the font size in Logo in Header, Body, Menu Item, Submenu Item, and Footer section via MasinoHorizontalVerticalTemplateSettings13 extension. Those sections also will use that Open Sans font.