It’s time for local CSS.
In other languages, it’s accepted that modifying the global environment is something to be done rarely, if ever.
In the JavaScript community, thanks to tools like Browserify, Webpack and JSPM, it’s now expected that our code will consist of small modules, each encapsulating their explicit dependencies, exporting a minimal API.
Understanding the ramifications of this shift is something that we’re still working through. With your valuable input and experimentation, I’m hoping that this is a conversation we can have together as a larger community.
Note: Automatically optimising style re-use between components would be an amazing step forward, but it definitely requires help from people a lot smarter than me.