CSS3 At-rules

This section describes Cascading Style Sheets (CSS) at-rules.

Description

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

Rule Description
@charset pecifies the character encoding of an external style sheet.
@font-face Enables the use of downloadable web fonts.
@import Imports an external style sheet.
@keyframes Specifies the values for the animating properties at various points during the animation.
@media Sets the media types for a set of rules in a style sheet.
@page Defines the dimensions, orientation, and margins of a page box for printing environments.
 
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