Help with modifying a web page with css in lists

<?php
/**
 * Output a list of EDD's terms (with links) from the 'download_category' taxonomy
*/
function sumobi_list_edd_terms() { 
    $taxonomy = 'download_category'; // EDD's taxonomy for categories
    $terms = get_terms( $taxonomy, 'child_of=6' ); // get the terms from EDD's download_category  and select child
?>
<ul class="download-categories">
<?php foreach ( $terms as $term ) : ?>
   <li>
       <a href="<?php echo esc_attr( get_term_link( $term, $taxonomy ) ); ?>" title="<? php echo $term->name; ?>"><?php echo $term->name; ?></a>
</li>
<?php endforeach; ?>
</ul>