In CSS (any version), is there something like, or any other way of doing anything like the :has() selector in jQuery?
jQuery(':has(selector)')Description: Selects elements which contain at least one element that matches the specified selector.
http://api.jquery.com/has-selector/
No, there isn't. The way CSS is designed, does not permit selectors that match ancestors or preceding siblings; only descendants ( and >), succeeding siblings (~ and +) or specific children (:*-child). The only ancestor selector is the :root pseudo-class which selects the root element of a document (in HTML pages, naturally it would be html).
If you need to apply styles to the element you're querying with :has(), you need to add a CSS class to it then style by that class, as suggested by Stargazer712.
No. The best way to accomplish this is by using jQuery:
Css File:
.myAwesomeClass {
    ...
}
Js File:
jQuery(':has(selector)').addClass("myAwesomeClass")
where selector is whatever it is you were originally trying to match.
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