Display items from FAQ CPT Using Alternating Background Colors

faqs.php

/**
 * Display the FAQs section
 */
function wds_faqs() {

	echo wds_get_faqs();
}

/**
 * Grab the FAQs content
 */
function wds_get_faqs() {

	// Query for our posts
		$post_args = array(
			'post_type'      => 'faq',
			'orderby'        => 'menu_order',
			'order'          => 'ASC'
		);

	$faqs = new WP_Query( $post_args );

	// The Loop
	if ( $faqs->have_posts() ) {

		$output = '<div class="faqs-wrap">';
		$c = true;

		while ( $faqs->have_posts() ) {
			$faqs->the_post();
			$output .= '<article class="faq' . (($c = !$c)?' odd':'') . '">';
			$output .= '<h3>' . get_the_title() . '</h3>';;
			$output .= '<div class="hidden">' . wpautop( get_the_content() ) . '</div>';
			$output .= '</article>';
			}

		$output .= '</div>';
	} 

	/* Restore original Post Data */
	wp_reset_postdata();

	return $output;
}