single.php

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

get_header();
?>

<div class="blog-wrapper">
	<main id="primary" class="site-main sandbox-single-blog-container">
		<div class="">

			<?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:', 'sandbox' ) . '</span> <span class="nav-title">%title</span>',
						'next_text' => '<span class="nav-subtitle">' . esc_html__( 'Next:', 'sandbox' ) . '</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.
			?>

		</div>

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

		<?php
		get_sidebar();

		?>
</div>

<?php
get_footer();