The HSL model stands for Hue, Saturation, and Lightness. In this model, hue is a bit like a base color (red, orange, etc.) while saturation approximates that color’s intensity, and lightness describes ...

One secret weapon of CSS-based designs is the background property, which adds images and color to the background of any element on a Web page.

Google says images styled with CSS won’t be indexed in Image Search, advising developers to use HTML tags for important visuals.