It's not work in CRA

[cieldon32]

demo: https://codesandbox.io/s/kind-glitter-2mnht?file=/package.json:230-250

[jean343]

Thank you for the bug report.

Unfortunately, styless does not have a babel macro. It's only written as a babel plugin.

In the mean time, you can use the following instead of ejecting.
https://github.com/timarney/react-app-rewired

Regards,