Copy yoo_aurora ▸ warp ▸ systems ▸ joomla ▸ layouts ▸ article.php to the themes layouts folder and then open up that file and look for, <a href=" <? php echo $url ; ?> " title=" <? php echo $title ; ?> "> <? php echo $more ; ?> </a> and change it to <a class="uk-button uk-button-large uk-button-primary tm-button-wide" href=" <? php echo $url ; ?> " title=" <? php echo $title ; ?> "> <? php echo $more ; ?> </a>