JSFiddle - React, Tailwind, and code Playground

HTML

<pre><div id="dialog-modal" title="School Holiday" style="background-color:#00F"><p style="color:#FFF; font-size:16px; text-align: center;">The ART will be closed on Friday.</p></div><pre>

JavaScript

$(function () {
    $("#dialog-modal").dialog({
        height: 200,
        width: 320,
        modal: true
    });
});