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.

Adding a Colored Background to Posts on Tumblr. Your Tumblr theme sets the background color of each of your posts. Tumblr also offers you the option to edit your theme to further customize your ...

You can also add a background-position attribute to your CSS, with values such as center, left top and right bottom. Add this attribute to make your GIF appear at specific locations in the background.