JSFiddle - React, Tailwind, and code Playground

HTML

<div class="box">
    <h3 class="page-header item-title">                                              
          <a class="titlelink" href="/index.php?option=com_content&amp;view=category&amp;id=11&amp;Itemid=234">
                Modeling</a>

CSS

.box {
  display:block;
  background: red;
  }

.hover {
    background: green;
}

JavaScript

$('.box > .titlelink').hover(function(){
    $(this).parent().toggleClass('hover');
})