404.php

<?php
get_header();
?>

<section id="main-content">
  <div class="container">
    <div class="grid-row">
      <div class="grid-item item-s-12 item-m-8 offset-m-2">
        <div class="post-copy">
          Sorry — this content is not found or protected for member’s only. To find out more about joining Pin Drop as a member <a href="<?php echo home_url('join'); ?> ">click here</a>.
        </div>
      </div>
    </div>
  </div>
</section>

<?php
get_footer();
?>