Repo showing that ICSS exports is broken on some CRA versions

ICSS Exports work on react-scripts": "3.4.4" and not react-scripts: "4.0.0"

Steps to show that it works on react-scripts": "3.4.4"

1. Clone repo
2. yarn
3. yarn start
4. Edit text on the page should be red

Steps to show that it does not work on react-scripts": "4.0.0"

1. Clone repo
2. Go to package.json and change react-scripts": "3.4.4" to react-scripts": "4.0.0"
3. Delete yarn.lock and node_modules
4. yarn
5. yarn start
6. Edit text on the page will be white instead of red (not picking up the colors object)