index.php

<?php

/**
 * The main template file
 *
 * This is the most generic template file in a WordPress theme
 * and one of the two required files for a theme (the other being style.css).
 * It is used to display a page when nothing more specific matches a query.
 * E.g., it puts together the home page when no home.php file exists.
 *
 * @link https://developer.wordpress.org/themes/basics/template-hierarchy/
 */
get_header();
?>

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

        <?php
        if (have_posts()) {
            /* Start the Loop */
            while (have_posts()) {
                the_post();
                if (!is_home() && !is_front_page()) {
        ?>
                    <h1><?php the_title(); ?></h1>
            <?php
                }
                the_content();
            }
        } else {
            ?>

            <p>No posts found. :(</p>

        <?php

        }
        ?>
    </div>

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

<?php
get_sidebar();
get_footer();