You can change the font through our theme editor. You can choose a font combination to apply to all of the websites.
Go to Website > Edit.
Click the Theme icon on the top right (paint can icon).
Go to Fonts and choose a font combination of the header and the body texts.
4. Click "save" in the save bar.
Just so you know, changing the font combination will change the fonts on all the pages on the website.
You cannot change the font on a particular page/section at this time.