JSFiddle - React, Tailwind, and code Playground

JavaScript

dialog = $('<div id="dialog"> You are going away, Bye Bye </div>');
dialog.css({
    position:'fixed',
    top: 100,
    left: '50%',
    width: '200px',
    'margin-left': '-100px',
    'z-index' : 99999,
    border: '1px solid #444444',
    'background-color' : '#FFFFF',
    padding: 10
    });
$('body').append(dialog);