link href="/bootstrap/dark.css" rel="stylesheet" id="custom-css">
    <script type="module" src="/scripts/apply-theme.js"></script>
</head>

<body>
    <nav class="navbar navbar-light navbar-expand-lg bg-custom" id="navbar" style="z-index: 10">
        <div class="container-fluid">
            <a class="navbar-brand ms-1 py-0" id="logo" href="/">
                <span class="logo-prefix">QB</span><span class="logo-suffix">Reader</span>
            </a>
            <button class="navbar-toggler" data-bs-targ