<!DOCTYPE html>
<html lang="en">
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
    <link href="https://cdn.jsdelivr.net/npm/tailwindcss/dist/tailwind.min.css" rel="stylesheet">
    <div class="container">
        <button class="button">Buy</button>
        <button class="btn btn-primary">Buy</button>
<!-- Below we have the Tailwind implementation of a simple button  -->
        <button class="bg-purple hover:bg-purple-dark text-white font-bold py-2 px-4 rounded">Buy</button>
body {
            font-family: sans-serif;
        .container {
            width: 200px;
            margin: 32px auto;
        .button {
            font: inherit;
            border: 1px solid #521751;
            background: #521751;
            color: white;
            padding: 3px 10px;
            cursor: pointer;
        .button:hover {
            background: #722a71;
        .button:focus {
            outline: none;

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.