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CSS namespaces

The @namespace at-rule can be used to create pipes | in selectors. This allows for elements from namespaces other than the current one to be targeted, allowing for compound and complex selectors.

Last updated on : 2023-03-20

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 8

9 - 11

12 - 111

2 - 113

4 - 114

4 - 16.4

9.5 - 95

Fully Supported

Partially

No Support

Specifications

CSS Namespaces Module Level 3 # declaration

Syntax

/* Default namespace */
 @namespace url(XML-namespace-URL);
 @namespace "XML-namespace-URL";
 /* Prefixed namespace */
 @namespace prefix url(XML-namespace-URL);
 @namespace prefix "XML-namespace-URL";

Browser Compatibility

CSS namespaces on IE is fully supported on 9-11, and not supported on 5.5-8 IE versions.

CSS namespaces on Edge is fully supported on all Edge versions.

CSS namespaces on Firefox is fully supported on all Firefox versions.

CSS namespaces on Chrome is fully supported on all Chrome versions.

CSS namespaces on Safari is fully supported on all Safari versions.

CSS namespaces on Opera is fully supported on all Opera versions.

CSS namespaces on Safari on iOS is fully supported on all Safari on iOS versions.

CSS namespaces on Android Browser is fully supported on all Android Browser versions.

CSS namespaces on Opera Mobile is fully supported on all Opera Mobile versions.

CSS namespaces on Chrome for Android is fully supported on all Chrome for Android versions.

CSS namespaces on Firefox for Android is fully supported on all Firefox for Android versions.

CSS namespaces on Samsung Internet is fully supported on all Samsung Internet versions.

Browser Support for CSS namespaces

CSS namespaces on Chrome

CSS namespaces on Safari

CSS namespaces on Firefox

CSS namespaces on Internet Explorer

CSS namespaces on Opera

CSS namespaces on Edge

References

Data sourced from

100

High

Overall Browser Compatibility Score

Note:CSS namespaces shows a browser compatibility score of 100. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

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