List monthly archives using Bootstrap styling

WordPress Get Monthly Archives

<ul class='list-group'>
	<?php 
	$args = array(
  	'type'            => 'monthly',
  	'limit'           => '',
  	'format'          => 'custom', 
  	'before'          => '<li class="list-group-item">',
  	'after'           => '</li>',
  	'show_post_count' => false,
  	'echo'            => 1,
  	'order'           => 'DESC',
    'post_type'     => 'post'
	);
	wp_get_archives( $args );
	?>
</ul>