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Learn The CSS Basic Rules.

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Learn the CSS basic rules, so you'll write effective scripts that will produce perfect styling results for your documents.

CSS Basic Rule.

CSS basic rule consist of SELECTORs and DELCARATIONs.
CSS may have one or more SELECTORs before the left curly brace [xxx{].

Its DECLARATION may also have one or more specifications of styles in a block of an opening and closing curly braces [{ xxx }]. See illustration below.


Selector {Declaration;}


HTML Element {Properties: values;}

Specified style for HTML h1 element.

h1 {
	font-family : Verdana, Arial;
	font-size: 14px;

The above specified CSS rule will style all <h1> elements in an HTML document with the font-family [Verdana, Arial], font-size [14px], and font-weight [bolder].

For this to work with your document, you'll need to create it inside the head section of your document. Learn how to create style inside the head section of an HTML document.

Alternatively, you can also create an external stylesheet and link it to your HTML document.

Learn how link External Stylesheet to an HTML document.

CSS Rules Tutorial Video.


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