<div class="newsletter-form">
 <div class="content-form">
    <input type="email" name="EMAIL" placeholder="Email address" required />
    <span class="form-action">
        <i class="las la-long-arrow-alt-right"></i>
       <input class="newsletter-submit" type="submit" value="Send" />
    </span>
 </div>
</div>