JSFiddle - React, Tailwind, and code Playground

HTML

<div class="left">
</div>
<div class="right">
</div>

CSS

.left{
    position:absolute;
    left:10px;
    top:10px;
    width:100px;
    height:100px;
    background:red;
}
.right{
    position:absolute;
    right:10px;
    top:10px;
    width:100px;
    height:100px;
    background:blue;
}