JSFiddle - React, Tailwind, and code Playground

HTML

<h1>It's an H1!</h1>
<br/><br/>
<p id="myParagraph">There's some text in this paragraph tag! The background is black and the text is white!</p>
<br/><br/>
<div class="bordered">There's a solid black border around me!</div>

JavaScript

$(init);

function init() {
    $("h1").css("backgroundColor", "yellow");

    $("#myParagraph").css({
        "backgroundColor": "black",
        "color": "white"});

    $(".bordered").css("border", "1px solid black");
    }