I debated whether to title it something else for that exact reason. But I went with 'just writing CSS' because the code you're writing is just CSS, with all the

I debated whether to title it something else for that exact reason. But I went with 'just writing CSS' because the code you're writing is just CSS, with all the benefits it entails — it's basically just like writing JS inside an IIFE rather than polluting the global namespace. You make a good point about consistency. Personally I'll often have a small global stylesheet that implements basic typography/colour/etc rules — it's more important to ensure that your component styles don't leak out than avoiding global styles leaking in, in my experience.