JSFiddle - React, Tailwind, and code Playground

HTML

<div class="e1"></div>

CSS

div {
    width: 200px;
    height: 200px;
    position: absolute;
    margin-left: -10px;
    border: 1px solid blue;
    background-color: red;
    top: 100px;
    left: 100px;
}