bulma/docs/_includes/global/newsletter.html

<section id="newsletter" class="section is-medium">
  <div class="container">
    <div class="columns is-vcentered">
      <div class="column">
        <p class="title">Newsletter</p>
        <p class="subtitle is-4 has-text-grey-light">Features, releases, showcase… stay in the loop!</p>
      </div>

      <div class="column">
        <form action="https://mail.jgthms.com/subscribe" method="POST" accept-charset="utf-8">
            <div class="field is-grouped">
              <div class="control has-icons-left is-expanded">
                <input type="email" value="" name="email" class="input is-medium is-flat" placeholder="email address" required>
                <span class="icon is-small is-left">
                  <i class="fas fa-envelope"></i>
                </span>
              </div>
              <div class="control">
                <div class="is-hidden">
                  <input type="text" name="hp" id="hp">
                </div>
                <input type="hidden" name="list" value="So5UY3O9gHJkq892bn763Tyf4A">
                <button class="button is-medium is-link">
                  <strong>Subscribe</strong>
                </button>
              </div>
            </div>
        </form>
      </div>
    </div>
  </div>
</section>