JSFiddle - React, Tailwind, and code Playground

by Wudiemperor

HTML

<div class="tooltip">A simple tooltip</div>

CSS

body {
    padding: 10px;
}
.tooltip {
    background: #000;
    width: 100px;
    opacity: .7;
    color: #fff;
    font-size: 10px;
    font-family: Candara;
    font-weight: bold;
    text-align: center;
    padding: 3px;
    border-radius: 3px;
    position: relative;
}
.tooltip:after {
    content: "";
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid #000;
    position: absolute;
    top: 100%;
    left: 45%;
}