JSFiddle - React, Tailwind, and code Playground

by alr3

HTML

<div class="defaultblock">
    <div class="blockcontent">
        <div id="group-id-tids-11" class="advertisement">
            Inner content
        </div>
    </div>
</div>

JavaScript

$(".blockcontent .advertisement").parent().css({background: "red"});
//You would put in .css({border: "3px"})   I made the background red, so you could see the change...