Custom post type loop and taxonomy term as class

page-properties.php

<?php
$new = new WP_Query('post_type=property');
while ($new->have_posts()) : $new->the_post(); ?>
<?php $terms = get_the_terms( $post->ID, 'location' ); ?>
	<div class="element-item transition <?php foreach( $terms as $term ) echo ' ' . $term->slug; ?>" data-category="transition">
		<div class="name"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></div>
	</div>
<?php endwhile; ?>