single.php

<?php
/**
 * The template for displaying all single posts
 *
 * @link https://developer.wordpress.org/themes/basics/template-hierarchy/#single-post
 *
 * @package Gaia
 */

get_header();
?>

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

    <?php
while (have_posts()):
    the_post();

    get_template_part('template-parts/content', get_post_type());

    the_post_navigation(
        array(
            'prev_text' => '<span class="nav-subtitle">' . esc_html__('Previous:', 'gaia') . '</span> <span class="nav-title">%title</span>',
            'next_text' => '<span class="nav-subtitle">' . esc_html__('Next:', 'gaia') . '</span> <span class="nav-title">%title</span>',
        )
    );

    // If comments are open or we have at least one comment, load up the comment template.
    if (comments_open() || get_comments_number()):
        comments_template();
    endif;

endwhile; // End of the loop.
?>

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

<?php

get_footer();