loop.php

<?php if (have_posts()): while (have_posts()) : the_post(); ?>
	
	<!-- article -->
	<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
	
		<!-- post thumbnail -->
		<?php if ( has_post_thumbnail()) : // Check if thumbnail exists ?>
			<div class="thumbnail">
				<a class="th radius" href="<?php the_permalink(); ?>" title="<?php the_title(); ?>">
					<?php the_post_thumbnail(array(120,120)); // Declare pixel size you need inside the array ?>
				</a>
			</div>
		<?php endif; ?>
		<!-- /post thumbnail -->
		
		<!-- post title -->
		<h2>
			<a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a>
		</h2>
		<!-- /post title -->
		
		<?php html5wp_excerpt('html5wp_index'); // Build your custom callback length in functions.php ?>
		
	</article>
	<!-- /article -->
	
<?php endwhile; ?>

<?php else: ?>

	<!-- article -->
	<article>
		<h2><?php _e( 'Sorry, nothing to display.', 'html5blank' ); ?></h2>
	</article>
	<!-- /article -->

<?php endif; ?>