CSS, or Cascading Style Sheets, defines the look and formatting of that HTML. Both are essential to coding your own website, and here's how to get acquainted with them.

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.

Traditionally, graphic designers create a website’s template, and programmers build coding (HTML, CSS) to add pages, sub-pages, and features to it.

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.