<div class="form-container-footer">
    <form method="POST" action="/register">
        <div class="form-group-footer input-area">
            <label for="public-key">SSH Public Key</label>
            <textarea id="public-key" name="public-key" rows="4" required></textarea>
        </div>
        <div class="form-group-footer">
            <button type="submit">register</button>
        </div>
    </form>
</div>