JSFiddle - React, Tailwind, and code Playground
HTML
<a id = "1" href="/someurl..">link</a>
<a id = "2" href="/someurl..">link</a>
<a id = "3" href="/someurl..">link</a>
<div id="content">
<a id = "4" href="/someurl..">link</a>
</div>
JavaScript
$('a:not(#content a)').css('background','red');