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How to Use CSS in Web Components
Shadow DOM is kind of responsible for all the heavy lifting here. Shadow DOM gives you a scope so if you put a style tag into the DOM inside of a shadow root. Those styles do not leak out of that shadow root so they don't leave above the component meaning like the components ancestors. Inherited CSS properties do inherit across the shadow down boundary. The contents of its nested children right they can style the child but not the child shadow children. And so that's just in the platform it's runtime encapsulationYou don't need a compiler you don't need to agree to like, you know, monitor the class names or use them or anything like that.