:read-only and :read-writeThe :read-only and :read-write CSS pseudo-classes match elements that are read-only or read-write, respectively. For example, :read-only matches <input> and <textarea> elements with the readonly attribute.formsFormswidely2020-07-282023-01-28https://html.spec.whatwg.org/multipage/semantics-other.html#selector-read-onlyhttps://drafts.csswg.org/selectors-4/#rw-pseudoscss-read-only-writehttps://developer.mozilla.org/docs/Web/CSS/Reference/Selectors/:read-onlycss.selectors.read-onlycss.selectors.read-writehttps://nowyoucanuse.com/features--read-write-pseudos.html