index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Скачать музыку ВКонтакте</title>
    <style>
        body {
            background-color: black;
            color: white;
        }
        .text-center {
            text-align: center;
        }
        .bookmarklet-code {
            width: 70%;
            max-width: 1000px;
        }
        @media (max-width: 530px) {
            .logo {
                width: 80%;
            }
        }
    </style>
</head>

<body>
    <div class="text-center">
        <img class="logo" src="./img/bg.png">
        <p>
            <textarea rows="3" onclick="this.select()" readonly class="bookmarklet-code">javascript:(function(){if (typeof initMusicDownloader === 'function') {initMusicDownloader();} else {document.body.appendChild(document.createElement('script')).src='https://fornit1917.github.io/music-download-plugin/dist/downloader.js';}})();</textarea>
        </p>
    </div>
</body>
</html>