Case-insensitive attribute selector

The i identifier in a CSS attribute selector matches attribute values case-insensitively in document languages like XML where attribute values are case-sensitive.

Learning resources on MDN

• S, in Attribute selectors

Browser support (view on caniuse.com)

• Chrome 49 Released on 2016-03-02
• Chrome Android 49 Released on 2016-03-09
• Edge 79 Released on 2020-01-15
• Firefox 47 Released on 2016-06-07
• Firefox for Android 47 Released on 2016-06-07
• Safari 9 Released on 2015-09-30
• Safari on iOS 9 Released on 2015-09-16

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