JSFiddle - React, Tailwind, and code Playground

by Arvind Pal

HTML

<div class="A"> Content </div>

<div class="A"> Content </div>

<div class="A"> Content </div>

CSS

.A {
    position: relative;
    margin: 40px 0;
    height: 40px;
    width: 200px;
    background: #eee;
}

.A::after {
    content: " ";
    display: inline-block;
    background: #c00;
    height: 9px;
    width: 100%;

    position: absolute;
    bottom: -29px;
}