If HTML is about bringing meaning to content, CSS is about defining how our content looks — the layout and positioning of elements, the colors, the typography and other visual effects.

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 ...

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 ...