index.php

<?php get_header(); ?>

<div class="page-wrapper">
    <?php if ( is_home() ) : ?>
        <header class="mt-8">
            <h1 class="text-3xl font-medium">Blog</h1>
        </header>
        <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-8 mt-8">
    <?php endif; ?>
    <?php 
        if ( have_posts() ) {
		    while ( have_posts() ) {
			    the_post();
                $post_format = get_post_format();
                if ( is_home() ) {
                    get_template_part( 'template-parts/content', 'archive' );
                } else if ( $post_format ) {
                    get_template_part( 'template-parts/content', $post_format );
                } else {
                    get_template_part( 'template-parts/content', get_post_type() );
                }
            }
        }
    ?>
    <?php if ( is_home() ) : ?></div><?php endif; ?>
</div>

<?php
get_footer();