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:indeterminate CSS pseudo-class

96.3

CSS

The `:indeterminate` pseudo-class matches indeterminate checkboxes, indeterminate `<progress>` bars, and radio buttons with no checked button in their radio button group.

Further reading:

  1. Can I use page for: :indeterminate CSS pseudo-class
  2. HTML specification for `:indeterminate`
  3. MDN Web Docs - CSS :indeterminate
  4. EdgeHTML issue 7124038 - `:indeterminate` pseudo-class doesn't match radio buttons
  5. Mozilla Bug 885359 - Radio groups without a selected radio button should have `:indeterminate` applying
  6. WebKit Bug 156270 - `:indeterminate` pseudo-class should match radios whose group has no checked radio
  7. JS Bin testcase