These fonts are used appropriately here I'd say. They're here to make sure the client knows it's not exactly how the finished product will look like. EDIT: You

These fonts are used appropriately here I'd say. They're here to make sure the client knows it's not exactly how the finished product will look like. EDIT: You can actually select the type of font that you want when creating a new project (Serif, Sans serif, or mono!) :)