styletron
Toolkit for component-oriented styling
...Styletron works great with React but can be used with other frameworks or plain JS as well. Styletron provides styletron-react with some handy React utilities. Styletron processes the style object and creates two atomic classes. The class names are auto-generated. So you don't have to worry about naming methodologies! That's great! What's less great? The generated names are not stable and will change all the time so you should never target them. If you need a stable selector for something as e2e tests, you should add a data-test-id attribute. Since Styletron uses the <style /> tag, you can use media queries and other selectors as well. ...