JSFiddle - React, Tailwind, and code Playground

by Ganesh Salunkhe

HTML

<div class="bottomborder"></div>

CSS

.bottomborder
{
    background-color: black;
    width: auto;
    height: auto;
    height: 20px;
    margin-left: -20px;
    margin-right: -20px;
    border-bottom:2px solid red;
}