<section class="about-section" id="about">
  <div class="container">
    <div class="row">
      <?php
      $query = new WP_Query( array( 'pagename' => 'about-us' ) );
      while ( $query->have_posts() ) : $query->the_post(); ?>

      <div class="col-sm-6">
        <a href="<?php the_permalink(); ?>">
          <?php the_post_thumbnail(); ?>
        </a>
      </div>
      <div class="col-sm-6">
        <a href="<?php the_permalink(); ?>">
          <h2><?php the_title(); ?></h2>
        </a>
        <p><?php the_excerpt(); ?></p>
        <a class="button" href="<?php the_permalink(); ?>">Learn More</a>
      </div>
    <?php endwhile; // end of the loop. ?>
    <?php wp_reset_postdata(); ?>
  </div>
</div>
</section>
