JSFiddle - React, Tailwind, and code Playground

HTML

<div id="one">
    <div id="two">
        <div id="tree"></div>
    </div>
</div>

CSS

#one, #two, #tree {
    width:100px;
    height:200px;
    background: #eee;
    box-shadow: 0 0 5px #ccc;
}
#one {
    position: realative;
}
#two, #tree {
    position:absolute;
    top:20px;
    left:20px;
}