You can create fully functional static GraphQL data-driven websites using our JAMStack Tool. The websites are entirely based on your schema and customisable using CSS and JS consoles. You also have an option to preview, export and save your work in a few convenient ways.
Creating a static page preview
Now you can start writing the CSS/JS code that will describe how your frontend will look like. If you want to change the endpoint you are calling for this schema (for example real backend), just change this function a little bit. See the example of the entire code here.