<div class="birthday-form">
    <form netlify netlify-honeypot name="birthday" method="POST" action="/birthday-success">
        <p class="hidden">
            <label>
                Don't fill this out if you're human: <input name="bot-field" />
            </label>
        </p>
        <input type="hidden" name="form-name" value="birthday" />
        <label for="name">Name</label>
        <input id="name" type="text" name="name" required />
        <label for="birthday">Birthday</label>
        <input id="birthday" type="date" name="birthday" required />
        <button type="submit">Submit</button>
    </form>
</div>