In order to easily setup this example:

  1. Use vscode.
  2. Install this plugin: https://marketplace.visualstudio.com/items?itemName=ritwickdey.LiveServer
  3. Ctrl+Shift+P then write: "Live server: Open with Live Server"

To turn Scss files into CSS:

We have two scripts in package.json file, you can use both of them but preferably use sass-dev during development (it contains watch mode).