Mailchimp subscription snippet

Question

<div id="signup" class="subscribe-input col-md-8 sides-auto">
    <div class="row" id="mc4wp_form_widget-2" >
      <form action="//test.us14.list-manage.com/subscribe/post?u=b56ba6dbb0c5b360512814c48&amp;id=1111111ed1" method="post" class="mc-embedded-subscribe-form validate i-form" target="_blank" novalidate="">
        <div class="col-md-8"><input type="email" class="mce-EMAIL" name="EMAIL" placeholder="Your email .." required=""></div>
        <div class="col-md-4 btn-subscribe-input"><input class="btn" type="submit" name="subscribe mc-embedded-subscribe"></div>
      </form>
    </div>
</div>