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Cascading Style Sheets |
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Rules and Style Sheets?
CSS are based on rules and style sheets.
A rule is a statement about one stylistic aspect of one or more elements. A style sheet is a collection of these rules that you apply to a document. The simplest example of a style sheet is one that consists of only one rule. In the following example, we add a color to all first-level headings <H1>.
Here's the line of code that we use:
H1 { color: green }
The color property can be any of the 16 pre-defined colors defined by CSS or a hexadecimal value. It is supported by Netscape Navigator 4.x and Internet Explorer 4.x.
Now let's take a closer look at the structure of a rule.
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© 2003 Ashley Preston
