This example utilizes babel-plugin-css-in-js to process and bundle CSS defined in JS. See Makefile and .babelrc for details.
To run it in development environment, execute
$ make runTo run it in production environment (which compresses and minifies CSS and class names), execute
$ make run-productionAfter that, point your web browser to http://localhost:3000.
Use your browser's "Inspect Element" tool to see how all styles were turned into class names.