Defines set of animation key frames.
(Firefox 5)
Specifies the size, zoom factor, and orientation of the viewport.
(Edge, IE 10)
Defines set of animation key frames.
(Opera 12)
Specifies the size, zoom factor, and orientation of the viewport.
(Opera 11)
Defines set of animation key frames.
(Chrome, Safari 4)
Defines character set of the document.
Allows for linking to fonts that are automatically activated when needed. This permits authors to work around the limitation of 'web-safe' fonts, allowing for consistent rendering independent of the fonts available in a given user's environment.
Defines named values for the indices used to select alternate glyphs for a given font family.
(Firefox 34, Safari 9.1)
Includes content of another file.
Defines set of animation key frames.
Defines a stylesheet for a particular media type.
Declares a prefix and associates it with a namespace name.
Directive defines various page parameters.
(Edge 12, Firefox 19, Chrome 2, IE 8, Opera 6)
A conditional group rule whose condition tests whether the user agent supports CSS property:value pairs.
(Edge 12, Firefox 22, Safari 9, Chrome 28, Opera 12.1)
Gecko-specific at-rule that restricts the style rules contained within it based on the URL of the document.
(Firefox 1.8)