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 ...

Editor’s note: This How To assumes a basic understanding of HTML. Along with HTML and JavaScript, CSS forms the foundation of the open Web. These three technologies power just about every website, and ...

If you haven't checked out CSS, understanding the most often used core selectors is a good place to start. I want to learn the CSS language, so how do I get started? I hear this question from ...

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 ...