page.php

<?php get_header(); ?>
  <?php
    $page = get_queried_object();

    $ID = $page->ID;

    $title = $page->post_title;
    $sub_title = get_post_meta($ID, 'page_subtitle', true);
    if ($sub_title){
      echo'<section id="title" class="emerald-home"><div class="container"><div class="row"><div class="col-sm-12"><p>'.$sub_title.'</p></div></div></div></section>';
    }
   ?>
<section id="page">
    <div class="container">
        <div id="content" class="site-content" role="main">
            <?php /* The loop */ ?>
            <?php while ( have_posts() ) { the_post(); ?>
            <article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
                <?php edit_post_link( __( 'Edit', ZEETEXTDOMAIN ), '<small class="edit-link pull-right ">', '</small><div class="clearfix"></div>' ); ?>
                <div class="entry-content">
                    <?php the_content(); ?>
                    <?php zee_link_pages(); ?>
                </div>
            </article>
            <?php comments_page(); ?>
            <?php } ?>
        </div><!--/#content-->
    </div>
</section><!--/#page-->
<?php get_footer();