CSS selectors all exist within the same global scope. Anyone who has worked with CSS long enough has had to come to terms with its aggressively global nature — a model clearly designed in the age of documents, now struggling to offer a sane working environment for today’s modern web applications. Every selector has the potential to have unintended side effects by targeting unwanted elements or cla
![The End of Global CSS](https://cdn-ak-scissors.b.st-hatena.com/image/square/d6731aa438601659a3628940a170d1266436a832/height=288;version=1;width=512/https%3A%2F%2Fmiro.medium.com%2Fv2%2Fresize%3Afit%3A1200%2F1%2Ar9VhiSAFIJpV2Xto3rl3_g.jpeg)