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Using CSS Rules with XML

A CSS style sheet is made up of rules.

A rule is the association of an element type name, a class, or other part of an XML document with a CSS declaration.

If an XML document includes a title element and you want the text content to be displayed at a font size of 24 points, you could write this:

title {font-size:24pt} 

CSS Syntax

Whether it is internal (in a style element) or external, a CSS style sheet consists of rules. The following CSS rule associates the Arial font of size 36 with the h1 element:

h1 {font-family:Arial, sans-serif; 
font-size:36;} 

The part of the rule outside the curly brackets is called a