What’s this mess called CSS?
CSS is short for Cascading Style Sheets. It is a code language that describes how HTML should be displayed.
The simplest example of CSS looks like this:
Styles can be strung together like this:
When placed in an HTML document within <style> tags CSS looks like this:
According to the CSS Wikipedia page:
w3schools has a comprehensive CSS reference and tutorial
CSS is a stylesheet language that describes the presentation of an HTML (or XML) document.
CSS describes how elements must be rendered on screen, on paper, or in other media.
This tutorial will teach you CSS from basic to advanced.