JSFiddle - React, Tailwind, and code Playground

by Matthias Kittsteiner

HTML

<div class="element"></div>

CSS

.element {
    border-bottom: 2px solid #00f;
    position: relative;
}

.element::before {
    background-color: #f00;
    content: "";
    height: 2px;
    position: absolute;
    width: 25%;
}