JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="box">Content goes here...</div>
</div>

CSS

.box {
    -webkit-box-shadow: -10px 0 20px -15px #000, 10px 0 20px -15px #000;
    -moz-box-shadow: -10px 0 20px -15px #000, 10px 0 20px -15px #000;
    box-shadow: -10px 0 20px -15px #000, 10px 0 20px -15px #000;
    display:inline-block;
    margin: 100px;
    padding: 20px;
}