Cascading Style Sheets (CSS) are a collection of formatting rules which control the appearance of content in a web page. With CSS styles you have great flexibility. of all the documents that use that style are automatically updated to the new style.

CSS styles let you control many properties that cannot be controlled using HTML alone. For example, you can assign custom list bullets and specify different font sizes. of all the documents that use that style are automatically updated to the new style.

A CSS style rule consists of two parts梩he selector and the declaration. The selector is the name of the style (such as TR, or P) and. of all the documents that use that style are automatically updated to the new style.

The declaration defines what the style elements are. The declaration consists of two parts, the property (such as font-family). of all the documents that use that style are automatically updated to the new style.

A major advantage of CSS styles is that they provide easy update capability; when you update a css. of all the documents that use that style are automatically updated to the new style.

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