Tracking code feature is used -- at "Power Tools" via "My Pages." Page must be checked at check box for the fonts to be used.
--- this added to tracking code
<link href='https://fonts.googleapis.com/css?family=Roboto+Slab:300,400,700|Roboto:300|Catamaran:300|EB+Garamond' rel='stylesheet' type='text/css'>
--- help at
"To insert the code so that it affects all of your pages you may place it within 'Edit Site' -> 'My Pages' -> 'Power Tools' -> 'Insert Tracking Code'. Remember to check the pages, or select all pages, and then click on 'Save'."