Scalable and Modular Architecture for CSS
by Chris Coyier
Jonathan Snook has released an "evolving guide to CSS architecture for sites small and large." My favorite is the "Depth of Applicability" section:
Each rule set that we add to our style sheet creates an ever increasing connection between the CSS and the HTML.
Then goes on to advocate what I would call more gentle CSS selectors that provide more future freedom.
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*May or may not contain any actual "CSS" or "Tricks".