>
        <hr/>
        <ul class="nav">
            <li class="nav-item">
                <a class="nav-link" href="/">Home</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="/register">Register</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="/admin">Protected page</a>
            </li>
        </ul>
        <hr/>
        <form>
            <label for="email">E-mail:</label>
            <input type="text" id="e