Use this handy, simplified guide to quickly learn HTML and CSS -- a foundation of modern web development.

This question leads to one of the most important ideas behind CSS: The selector, so named because it’s the way we “select” the HTML we want to style.

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 ...

If you haven't checked out CSS, understanding the most often used core selectors is a good place to start.