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

Among the possibilities with additional ::nth selectors are fancy typography effects like what Lettering.js can do (but without the JavaScript) or something a seeming simple as pure CSS line numbers.

One of the easiest ways to get started with CSS is to understand the core selectors, child selectors and descendant selectors. With these three concepts, you can move a lot of styling to CSS and out ...

The group recently published the Last Call Working Draft of "Selectors API," which are widely used in CSS, and are patterns that match against elements in a tree structure.