JSFiddle - React, Tailwind, and code Playground

by Thiago Diniz

HTML

<div class="buy-button">Comprar</div>

CSS

.buy-button {
    margin:10px;
    padding:12px 0;
    width:25%;
    float:left;
    color:#FFF;
    text-align:center;
    background-color:#008a00;
    font-family:sans-serif;
    font-weight:bold;
}

JavaScript

$(document).ready(function () {
    $(".buy-button").delay(10000).fadeOut(100).fadeIn(100).fadeOut(10).fadeIn(10);
});