JSFiddle - React, Tailwind, and code Playground

HTML

<div id="one">One</div>
<div id="two">Two</div>

CSS

#one, #two, #three, #four {
    background: #ddd;
    height: 100px;
    width: 100px;
}
#two {
    background: #aaa;
    margin-left: 10px; /* Set to 0 for complete overlap */
    margin-top: -80px; /* Set to -100 for complete overlap */
}