dth=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="theme-color" content="#000000">
    <title>Playground</title>
    <style>
      .header-github-link:hover {
        opacity: 0.6;
      }

      .header-github-link:before {
        content: '';
        width: 24px;
        height: 24px;
        display: flex;
        background: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M12 .297c-6.63 0-12 5.373-12 12 0 5.303 3.438 9.8 8.205 11.385