understrap/archive.php

<?php
/**
 * The template for displaying archive pages.
 *
 * Learn more: http://codex.wordpress.org/Template_Hierarchy
 *
 * @package understrap
 */

 get_header();
?>

<div class="wrapper" id="archive-wrapper">

  <div  id="content" class="container">

    <div class="row">

      <div id="primary" class="<?php if ( is_active_sidebar( 'sidebar-1' ) ) : ?>col-md-8<?php else : ?>col-md-12<?php endif; ?> content-area">

        <main id="main" class="site-main" role="main">

          <?php if ( have_posts() ) : ?>

            <header class="page-header">
              <?php
                the_archive_title( '<h1 class="page-title">', '</h1>' );
                the_archive_description( '<div class="taxonomy-description">', '</div>' );
              ?>
            </header><!-- .page-header -->

            <?php /* Start the Loop */ ?>
            <?php while ( have_posts() ) : the_post(); ?>

              <?php
                /* Include the Post-Format-specific template for the content.
                 * If you want to override this in a child theme, then include a file
                 * called content-___.php (where ___ is the Post Format name) and that will be used instead.
                 */
                get_template_part( 'loop-templates/content', get_post_format() );
              ?>

            <?php endwhile; ?>

            <?php the_posts_navigation(); ?>

          <?php else : ?>

            <?php get_template_part( 'loop-templates/content', 'none' ); ?>

          <?php endif; ?>

        </main><!-- #main -->

      </div><!-- #primary -->

      <?php get_sidebar(); ?>

    </div> <!-- .row -->

  </div><!-- Container end -->

</div><!-- Wrapper end -->

<?php get_footer(); ?>