How to Create a GIF Background for a Web Page. Animated Web page backgrounds can be eye-catching, and you can create them using GIF files.

Learn how cascading style sheets (CSS) work, and how they can help you properly create HTML page layouts that conform to industry best practices.

How Do I Create Multiple Fixed Backgrounds in My CSS File?. Cascading Style Sheets (CSS) level 3, also known as CSS3, introduces multiple background images support.