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작성일 : 11-10-23 11:19
Book V: Cascading Style Sheets
 글쓴이 : admin
조회 : 1,165  
Why Use CSS? (p.292)

CSS is a styling language that you can use to make your Web site look good and be easier to manage.

* CSS gives you greator control over your page design.

* CSS allows you to separate your site content from the formatting.

* CSS enables you to mange styles across your site in one central location.

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Introducing CSS (p.292)

A rule selects the elements in which you want to apply formatting to and then indicates what should be done to them. In order words, a rule is a code statement. It consists of two parts: The selector and the declaration.

* The 'selector' identifies one or more HTML, elements that you want to work with. You commonly select an element by its type.

* The 'declaration' consists of a property and a value that specifies how to format the elements identified by the selector.

selector ( property: value )

h1 ( font-size: 18px; font-weight: bond; )

** You can do many things that are either difficult or impossible when using ordinary HTML.
** CSS is case insensitive, except for the parts that reference specific parts of an HTML document.(p.294)

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Applying CSS Styles to a Web Page (p.294)

There are three different ways that you can apply CSS styles to an element in your document:

* Define it in the head of the document. - Using embedded styles

* Define it in an external style sheet. - Using an external style sheet

* Define it inside the element tag itself. - Using inline styles

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Cascading Styles (p.298)

Cascading refers to the prioritizing that takes place when more than one property declaration applies to the same element in your HTML document. In other words, which style declaration wins out? The winner is based on the following levels of priority, starting with the highest:

* Style weight (use of !important)

* Style origin (author versus user)

* Selector type

* Style proximity

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