JSFiddle - React, Tailwind, and code Playground

HTML

<div class="feature"></div>

CSS

.feature {width:100%; background:#666; height:400px;     background-size: 100% auto;}

JavaScript

$(function(){
    var bgimage = new Image();      
    bgimage.src="http://placeimg.com/760/460/tech";       
$(".feature").hide();
    $(bgimage).load(function(){
        $(".feature").css("background-image","url("+$(this).attr("src")+")").fadeIn(2000);                  
    });
});