<h1 class="page-header">Author Login</h1>
<form action="/author/login" method="POST">
    <div class="form-row">
        <div class="form-item">
            <label for="username">Username</label>
            <input type="username" name="username" required>
        </div>
        <div class="form-item">
            <label for="password">Password</label>
            <input type="password" name="password" required>
        </div>
    </div>
    <div class="form-row form-row-end btn-row">
        <a class="btn btn-primary" href="/">Cancel</a>
        <button class="btn btn-danger" type="submit">Login</button>
    </div>
</form>