JSFiddle - React, Tailwind, and code Playground

by Softlink

HTML

<div class="parent">
<div class="child">
    <div class="block"></div>
</div>
</div>

CSS

.parent{
background: url(http://alpatriott.ru/works/primer/images/yellowfon.png) no-repeat 50% 0;
height: 500px;    
}

.child{
position: relative;    
width: 400px;
height: 100%;    
margin: 0 auto;
border: 1px solid #000;    
}

.block{
position: absolute;
top: 50px;
left: 50px;    
width: 100px;
height: 100px;
background: red;    
}