page.php

<?php
  get_header();
  get_template_part( 'navbar' );
?>

<div id="topbar">

  <?php
    if( function_exists( 'yoast_breadcrumb' ) ) {
      yoast_breadcrumb( '<p id="breadcrumbs">','</p>' );
    }
  ?>

</div>

<div id="content">


  <div class="post">

    <?php
      if( have_posts() ) : while ( have_posts() ) : the_post();
      $post_meta = get_post_meta( $post->ID );
    ?>

      <?php $thumbnail_url = wp_get_attachment_url( get_post_thumbnail_id( $post->ID ) ); ?>

      <div style="background-image: url('<?php echo $thumbnail_url; ?>');" class="thumbnail">
        <div class="meta">

          <h1><?php the_title(); ?></h1>

          <?php if (isset($post_meta['subtitle'][0])): ?>
            <h3><?php echo $post_meta['subtitle'][0]; ?></h3>
          <?php endif; ?>

        </div>
      </div>

      <div class="post-content">
        <?php the_content(); ?>
      </div>

    <?php endwhile; endif; ?>

  </div>
</div>

<?php get_footer(); ?>
<?php edit_post_link(); ?>