Contents
Terminology
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CSS
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Cascading Style Sheets
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CSS1
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Cascading Style Sheets, level 1.
CSS1 is a simple style sheet mechanism for the web.
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declaration
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a property (e.g. 'font-size') and a corresponding value (e.g. '12pt')
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HTML
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Hypertext Markup Language
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pseudo-element
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pseudo-elements are used in CSS selectors to address typographical items
(e.g. the first line of an element) rather than structural elements.
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pseudo-class
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pseudo-classes are used in CSS selectors to allow information external to
the HTML source (e.g. the fact that an anchor has been visited or not) to
classify elements.
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property
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a stylistic parameter that can be influenced through CSS. This specification
defines a list of properties and their corresponding values.
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rule
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a declaration (e.g. 'font-family: helvetica') and its selector (e.g. 'H1')
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selector
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a string that identifies what elements the corresponding rule applies to.
A selector can either be a simple selector (e.g. 'H1') or a contextual selector
(e.g. 'H1 B') which consists of several simple selectors.
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simple selector
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a selector that matches elements based on the element type and/or attributes,
and not he element's position in the document structure. E.g., 'H1.initial'
is a simple selector.
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style sheet
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a collection of rules