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Case-insensitive CSS attribute selectors

96.19

CSS

Including an `i` before the `]` in a CSS attribute selector causes the attribute value to be matched in an ASCII-case-insensitive manner. For example, `[b="xyz" i]` would match both `<a b="xyz">` and `<a b="XYZ">`.

Further reading:

  1. Can I use page for: Case-insensitive CSS attribute selectors
  2. MDN Web Docs - CSS case-insensitive
  3. JS Bin testcase
  4. MS Edge feature request on UserVoice