:default CSS pseudo-class

The :default pseudo-class matches checkboxes and radio buttons which are checked by default, <option>s with the selected attribute, and the default submit button (if any) of a form.

IE Edge Firefox Chrome Safari Opera iOS Safari Opera Mini Android Browser Blackberry Browser Opera Mobile Chrome for Android Firefox for Android IE Mobile UC Browser for Android Samsung Internet QQ Browser Baidu Browser
49
See notes:
  • 1
56 9.3
See notes:
  • 1
4.4
See notes:
  • 1
14 52 57 10
See notes:
  • 1
10.0-10.2
See notes:
  • 1
4.4.3-4.4.4
See notes:
  • 1
4
See notes:
  • 1
11 15 53 58 10.1 44 10.3 all
See notes:
  • 2
56 10
See notes:
  • 1
37
See notes:
  • 1
57 52 11 11.4
See notes:
  • 1
5 1.2 7.12
54 59 TP 45
55 60 46
56 61

Notes

Whether <option selected> matches :default (per the spec) was not tested since <select>s and <option>s are generally not styleable, which makes it hard to formulate a test for this.

Links