JSFiddle - React, Tailwind, and code Playground

by GeekPlux

HTML

<div class="parent">Parent
    <div class="children">Children
    </div>
</div>
<div class="divider"></div>

CSS

.parent {
    margin-bottom: 10px; 
    width: 80px; 
    height: 20px;
    background-color: yellow;
}
.children {
    margin-bottom: 20px; 
    width: 80px; 
    height: 20px; 
    background-color: red;
}
.divider {
    height: 1px; 
    background-color: black;
}