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@ rules

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At-rules, or @ rules, start with an at-keyword (an at-sign character [@] followed immediately by an identifier), and they consist of everything up to and including the next semicolon (;) or declaration block, whichever comes first.

At-rules

  • @font-face   Sets a font to embed in the HTML document.

  • @import   Imports an external style sheet.

  • @media   Sets the media types for a set of rules in a style sheet.

  • @page   Sets the dimensions, orientation, and margins of a page box in a style sheet.

See also

Concepts

Cascading style sheet reference
Properties by category
Properties by name

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