"Allows you to add a dynamically-resized background image to any page. The image will stretch to fit the page, and will automatically resize as the window size changes."

"A powerful Photoshop-like CSS gradient editor from ColorZilla."

"Essentially, you create pseudo-elements using CSS (:before and :after) and treat them similarly to how you would treat HTML elements nested within your target element. But they have distinct benefits — beyond semantics — over the use of nested HTML elements."

Using list-item to display images in print stylesheets.