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:default CSS pseudo-class

The :default pseudo-class matches default checkboxes, default radio buttons, and selected options. It can also be used to modify the default submit button of a form.

Last updated on : 2026-02-09

Browser Versions

IE

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 18

79 - 144

4 - 150

15 - 50

51 - 147

5.1 - 10

10.1 - 26.3

11.6 - 37

38 - 125

Fully Supported

Partially

No Support

Specifications

HTML Standard # selector-default Selectors Level 4 # default-pseudo

Syntax

:default

Browser Compatibility

:default CSS pseudo-class on IE is not supported on any IE versions.

:default CSS pseudo-class on Edge is fully supported on 79-144, and not supported on 12-18 Edge versions.

:default CSS pseudo-class on Firefox is fully supported on all Firefox versions.

:default CSS pseudo-class on Chrome is fully supported on 51-147 and partially supported on 15-50 Chrome versions.

:default CSS pseudo-class on Safari is fully supported on 10.1-26.3 and partially supported on 5.1-10 Safari versions.

:default CSS pseudo-class on Opera is fully supported on 38-125 and partially supported on 11.6-37 Opera versions.

:default CSS pseudo-class on Safari on iOS is fully supported on 10.3-26.3 and partially supported on 7-10 Safari on iOS versions.

:default CSS pseudo-class on Android Browser is fully supported on 97-144 and partially supported on 4.4-4 Android Browser versions.

:default CSS pseudo-class on Opera Mobile is fully supported on 64-80 and partially supported on 12.1-12.1 Opera Mobile versions.

:default CSS pseudo-class on Chrome for Android is fully supported on all Chrome for Android versions.

:default CSS pseudo-class on Firefox for Android is fully supported on all Firefox for Android versions.

:default CSS pseudo-class on Samsung Internet is fully supported on 5-29 and partially supported on 4-4 Samsung Internet versions.

Browser Support for :default CSS pseudo-class

:default CSS pseudo-class on Chrome

:default CSS pseudo-class on Safari

:default CSS pseudo-class on Firefox

:default CSS pseudo-class on Internet Explorer

:default CSS pseudo-class on Opera

:default CSS pseudo-class on Edge

References

Data sourced from

92

High

Overall Browser Compatibility Score

Note::default CSS pseudo-class shows a browser compatibility score of 92. 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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