<?php
extract( shortcode_atts( array(
	'css'   => ''
), $atts ) );

$css_class = apply_filters( VC_SHORTCODE_CUSTOM_CSS_FILTER_TAG, vc_shortcode_custom_css_class( $css, ' ' ) );
?>

<?php if ( comments_open() || get_comments_number() ) { ?>
	<div class="stm_post_comments <?php echo esc_attr($css_class); ?>">
		<?php comments_template(); ?>
	</div>
<?php } ?>