JSFiddle - React, Tailwind, and code Playground
HTML
<div class="abs">
<div class="abs-1"></div>
</div>
CSS
.abs{
border: 1px solid #ccc;
height: 200px;
width: 200px;
}
.abs-1{
position: absolute;
left: 100px;
top:100px;
background: blue;
height: 50px;
width: 50px;
}