This is a simple CMS. It is build with this Tutorial Under the GithubPage you can find a frontend example. This GithubPage is build with Normalize CSS.
The Contents for this Blog are stored on this very simple Google Sheet A Google Forms is used to create new Blog Posts into the Sheet. I need to manually set the Published flag to TRUE so the Apps Script fetches them. This Script is used as a Google Apps Script to get the Information form the Sheet. You can see the "API" working with URL
https://script.google.com/macros/s/AKfycbyJjyv05dbsKgcvHQCun12VTc-XIVp9i6_p0BiPS_X-9nxg-P5j/exec?key=abcdef
It returns a JSON with all information. This JSON will be requested by the main.js and will be displayed on the Frontend.