CSS in Stylesheets

What if we wrote the CSS rules in separate files, provided to the browsers as a form of "style sheets"?

Instead of transpiling SASS, writing CSS in our Javascript or fill our HTML or templates with class-names that describes the style we want, here is a novel idea: What if we provided pure simple text files to the browser, explaining how we would like our web applications and documents to be styled?

There seems to be many benefits of providing …

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