The W3C's CSS Working Group is hard at work bringing the mythical beast known as the CSS Variable to life. The latest proposal may not be what most were expecting, but CSS Variables still promise ...

From little-known scroll-snap properties to astonishing new color palettes, here are 10 Cascading Style Sheets updates you won't want to miss.

In the following CSS example, the background color is set first as a fallback. Then if the browser supports the gradients and it finds the valid CSS syntax, it will use the gradient instead: ...

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 design. For example, you can change your posts ...

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.