Understanding how browsers parse CSS and render websites is an important first step towards writing more efficient code. In this first piece on efficient CSS, we look at selectors, how the browser ...

Ryan Boudreaux covers the basics about CSS specificity hierarchy in an effort to make this tricky concept easier to understand. If a CSS rule doesn’t seem to work when it looks like it should and your ...

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An often-overlooked website performance bottleneck occurs in processing cascading style sheets and the subsequent application of CSS selectors across a webpage's document object model. To speed up how ...