JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://concorddentalde.com/wp-includes/js/jquery/jquery.js"></script>
<div class="hero"></div>
CSS
.hero {
height:45%;
height:45vh;
min-height:400px;
background-color:none;
text-align:center;
background-repeat:no-repeat;
background-size:cover;
background-position:50% 50%;
}
JavaScript
$(document).ready(function(){
var urls = ['https://bit.ly/2G6vBPA',
'https://bit.ly/35LCgYb',
'https://bit.ly/2HGEcsW'];
var count = 1;
$('.hero').css('background-image', 'url("' + urls[0] + '")');
setInterval(function() {
$('.hero').css('background-image', 'url("' + urls[count] + '")');
count == urls.length-1 ? count = 0 : count++;
}, 6000);
});