JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content">Content Obscured By Overlay
    <button class="deleteMeeting">Delete</button>
</div>
<div id="overlay"></div>

<div id="popupBox">  <div id="popupContent"><i>Are you sure you want to delete this meeting?</i><span class="cancel-icon" >×</span><br />
            <span style="text-align:center;color:black;font-size:40px;">YO</span>
    <br />
    <button class="deleteMeetingButton">Delete</button>
    <button class="deleteMeetingCancel">Cancel</button>

            </div>
        <div id="deleteMeetingConfirmDeleted">Meeting Deleted</div>
            <div>

CSS

#overlay {
    display:none;
    opacity:0.5;
    background-color:black;
    position:fixed;
    width:100%;
    height:100%;
    top:0px;
    left:0px;
    z-index: 999;
}
#popupBox {
    display:none;  
    position: relative;
    margin-left:auto;
    margin-right:auto;
    margin-top:100px;
    width:600px;
    height: 500px;
    color: #000000;
    border:5px solid #4E93A2;
    -moz-border-radius:8px;
    -webkit-border-radius:8px;
    background-color:#FFFFFF;
    z-index: 1000;
   
}
#popupContent {
    display:none;
        font-family:Arial, Helvetica, sans-serif;
    color: #4E93A2;
    margin-top:30px;
    margin-left:30px;
    margin-right:30px;
}

.deleteMeetingButton{
    clear:both;
	cursor:pointer;
	width:90px;
	height:30px;
	border-radius: 4px;
	background-color: #5CD2D2;
	border:none;
	text-align:center;
	line-height:10px;
	color:#FFFFFF;
	font-size:11px;
	font-family:Arial, Helvetica, sans-serif;
	font-weight:bold;
}


.deleteMeetingCancel{
    clear:both;
	cursor:pointer;
	width:90px;
	height:30px;
	border-radius: 4px;
	background-color: #5CD2D2;
	border:none;
	text-align:center;
	line-height:10px;
	color:#FFFFFF;
	font-size:11px;
	font-family:Arial, Helvetica, sans-serif;
	font-weight:bold;
}

#deleteMeetingConfirmDeleted
{
    display:none;
}

.cancel-icon{
    float:right; 
    cursor:pointer;
}

JavaScript

$('.deleteMeeting').click(function () {
$('#overlay').fadeIn('slow');
$('#popupBox').fadeIn('slow');
$('#popupContent').fadeIn('slow');    
});



    $('#overlay, .deleteMeetingCancel, .cancel').click(function () {
        $('#overlay').fadeOut('slow');
        $('#popupBox').fadeOut('slow');
        $('#popupContent').fadeOut('slow');    
    });

$('.deleteMeetingButton').click(function () {
    $('#popupContent').fadeOut('slow'); 
$('#deleteMeetingConfirmDeleted').fadeIn('slow');
 $('#overlay').delay(1300).fadeOut('slow');
$('#popupBox').delay(1300).fadeOut('slow');   
    $('#deleteMeetingConfirmDeleted').fadeOut('slow');
});