JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
    
    <div class="child"></div>
    <div class="child"></div>
    <div class="child"></div>
    
</div>

CSS

body{
    background:#F7F7F7;
}

.parent{
    background:white;
    padding:20px 0px;
    width:300px;
    -moz-box-shadow:inset 0px 0px 10px #000000;
    -webkit-box-shadow:inset 0px 0px 10px #000000;
    box-shadow:inset 0px 0px 10px #000000;
}

.child{
    background:orange;
    width:300px;
    height:40px;
    margin-bottom:20px;
}