JSFiddle - React, Tailwind, and code Playground
HTML
<div class="parent">
<div class="child"></div>
</div>CSS
* {
}
.parent {
width: 200px;
height: 200px;
margin: 25px auto;
position: relative;
background: #bada55;
border:12px solid #663399;
outline: 12px solid red;
padding:25px
}
.child {
width: 420px;
height: 100px;
background: lightblue;
}