JSFiddle - React, Tailwind, and code Playground

HTML

<div class="bkg">
    <div class="space">
	</div>
</div>

CSS

.space{
	min-height: 185px;
}

JavaScript

var images=new Array();
images[0]='http://s29.postimg.org/912bsm0mf/dataarancio.jpg';
images[1]='http://s27.postimg.org/y6tl17eb7/velocita.jpg';
var nextimage=0;
doSlideshow();
function doSlideshow(){
	if(nextimage>=images.length){nextimage=0;}
	$('.bkg')
	.css('background-image','url("'+images[nextimage++]+'")')
	.fadeIn(500,function(){
		setTimeout(doSlideshow,4000);
	});
}