JSFiddle - React, Tailwind, and code Playground

HTML

<div>
         <ul>
            <li>The filter() method returns elements that match a certain criteria.</li>
            <li>To specify multiple criteria, use comma.</li>
            <li class = "filter">The filter() method is the opposite of the not() method.</li>
            <li>The filter() method lets you specify a criteria.</li>
            <li class = "filter"> The index position of the element in the set</li>
         </ul>
      </div>

CSS

div{
            width:100%;
            margin: 0 auto;
         }
         li{
            font-size: 20px;
            padding: 10px 5px;
            list-style: none;
         }

JavaScript

$(document).ready(function() {
            $("li").filter(".filter").css({"color": "#ff3333", "border": "2px solid #1a0000"});
         });