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by Tommy Olsson and Paul O’Brien

:root (CSS selector)

Browser support full matrix
IE7 FF1+ Saf1.3+ Op9.5+
None Full Full Full
Spec
Version
CSS3

Example

In an HTML document, this selector will match the html element:

:root {
  ⋮ declarations
}

Try it yourself!View all demos

Description

This pseudo-class matches an element that’s the root element of the document. In HTML documents, this selector matches the html element.

Compatibility

IE5.5None
6.0None
7.0None
Firefox1.0Full
1.5Full
2.0Full
Safari1.3Full
2.0Full
3.0Full
Opera9.2None
9.5Full

This pseudo-class is currently only supported by Firefox, Safari, and Opera 9.5.

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