JSFiddle - React, Tailwind, and code Playground

HTML

<div class="md-modal md-effect-14" id="modal-14">
			<div class="md-content">
				<h3>Modal Dialog</h3>
				
				<div>
					<p>This is a modal window. You can do the following things with it:</p>
					
					<ul>
						<li><strong>Read:</strong> modal windows will probably tell you something important so don't forget to read what they say.</li>
						
						<li><strong>Look:</strong> a modal window enjoys a certain kind of attention; just look at it and appreciate its presence.</li>
						
						<li><strong>Close:</strong> click on the button below to close the modal.</li>
					</ul>
					
					<button class="md-close">Close me!</button>
				</div>
			</div>
		</div>

		<button class="md-trigger md-setperspective" data-modal="modal-14">Make way!</button>

CSS

/* General styles for the modal */

/* 
Styles for the html/body for special modal where we want 3d effects
Note that we need a container wrapping all content on the page for the 
perspective effects (not including the modals and the overlay).
*/

.container {
	background: #e74c3c;
	min-height: 100%;
}

.md-modal {
	position: fixed;
	top: 50%;
	left: 50%;
	width: 50%;
	max-width: 630px;
	min-width: 320px;
	height: auto;
	z-index: 2000;
	visibility: hidden;
	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	backface-visibility: hidden;
	-webkit-transform: translateX(-50%) translateY(-50%);
	-moz-transform: translateX(-50%) translateY(-50%);
	-ms-transform: translateX(-50%) translateY(-50%);
	transform: translateX(-50%) translateY(-50%);
}

.md-show {
	visibility: visible;
}

.md-overlay {
	position: fixed;
	width: 100%;
	height: 100%;
	visibility: hidden;
	top: 0;
	left: 0;
	z-index: 1000;
	opacity: 0;
	background: rgba(143,27,15,0.8);
	-webkit-transition: all 0.3s;
	-moz-transition: all 0.3s;
	transition: all 0.3s;
}

.md-show ~ .md-overlay {
	opacity: 1;
	visibility: visible;
}

/* Content styles */
.md-content {
	color: #fff;
	background: #e74c3c;
	position: relative;
	border-radius: 3px;
	margin: 0 auto;
}

.md-content h3 {
	margin: 0;
	padding: 0.4em;
	text-align: center;
	font-size: 2.4em;
	font-weight: 300;
	opacity: 0.8;
	background: rgba(0,0,0,0.1);
	border-radius: 3px 3px 0 0;
}

.md-content > div {
	padding: 15px 40px 30px;
	margin: 0;
	font-weight: 300;
	font-size: 1.15em;
}

.md-content > div p {
	margin: 0;
	padding: 10px 0;
}

.md-content > div ul {
	margin: 0;
	padding: 0 0 30px 20px;
}

.md-content > div ul li {
	padding: 5px 0;
}

.md-content button {
	display: block;
	margin: 0 auto;
	font-size: 0.8em;
}

/* Individual modal styles with animations/transitions */

/* Effect 1: Fade in and scale up */
.md-effect-1 .md-content {
	-webkit-transform: scale(0.7);
	-moz-transform: scale(0.7);
	-ms-transform:...

JavaScript

/*!
 * classie - class helper functions
 * from bonzo https://github.com/ded/bonzo
 * 
 * classie.has( elem, 'my-class' ) -> true/false
 * classie.add( elem, 'my-new-class' )
 * classie.remove( elem, 'my-unwanted-class' )
 * classie.toggle( elem, 'my-class' )
 */

/*jshint browser: true, strict: true, undef: true */
/*global define: false */

( function( window ) {

'use strict';

// class helper functions from bonzo https://github.com/ded/bonzo

function classReg( className ) {
  return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
}

// classList support for class management
// altho to be fair, the api sucks because it won't accept multiple classes at once
var hasClass, addClass, removeClass;

if ( 'classList' in document.documentElement ) {
  hasClass = function( elem, c ) {
    return elem.classList.contains( c );
  };
  addClass = function( elem, c ) {
    elem.classList.add( c );
  };
  removeClass = function( elem, c ) {
    elem.classList.remove( c );
  };
}
else {
  hasClass = function( elem, c ) {
    return classReg( c ).test( elem.className );
  };
  addClass = function( elem, c ) {
    if ( !hasClass( elem, c ) ) {
      elem.className = elem.className + ' ' + c;
    }
  };
  removeClass = function( elem, c ) {
    elem.className = elem.className.replace( classReg( c ), ' ' );
  };
}

function toggleClass( elem, c ) {
  var fn = hasClass( elem, c ) ? removeClass : addClass;
  fn( elem, c );
}

var classie = {
  // full names
  hasClass: hasClass,
  addClass: addClass,
  removeClass: removeClass,
  toggleClass: toggleClass,
  // short names
  has: hasClass,
  add: addClass,
  remove: removeClass,
  toggle: toggleClass
};

// transport
if ( typeof define === 'function' && define.amd ) {
  // AMD
  define( classie );
} else {
  // browser global
  window.classie = classie;
}

})( window );


/**
 * modalEffects.js v1.0.0
 * http://www.codrops.com
 *
 * Licensed under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 *...