Case-insensitive attribute selectorThe i identifier in a CSS attribute selector matches attribute values case-insensitively in document languages like XML where attribute values are case-sensitive.selectorsSelectorswidely2020-01-152022-07-15https://drafts.csswg.org/selectors-4/#attribute-casecss-case-insensitivehttps://developer.mozilla.org/docs/Web/CSS/Reference/Selectors/Attribute_selectorscss.selectors.attribute.case_insensitive_modifierhttps://nowyoucanuse.com/features--case-insensitive-attributes.html