404.html

<!DOCTYPE html>
<head>
    <title>Whoops!</title>
    <link rel="shortcut icon" type="image/x-icon" href="favicon.ico">
    <link rel="stylesheet" href="/styles.css">
    <script src="/thefunny.js"></script>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta property="og:site_name" content="zai-tm.github.io"" />
    <meta property="og:title" content="Whoops!" />
    <meta property="og:type" content="website" />
    <meta property="og:url" content="https://zai-tm.github.io/" />
    <meta name="theme-color" content="#A6FF00">
</head>
<body id="main">
    <div class="body">
        <h1>Whoops!</h1>
        <p>Error 404:<br/>You need to put the CD <span id="thefunny">up your ass</span>.</p>
        <div class="button-container">
            <a href="/"><div class="button">Go back</div></a>
        </div>