//pagination
$total = $wp_query->max_num_pages;
// only bother with the rest if we have more than 1 page!
if ($total > 1) {
    $paginate_links = paginate_links(array(
        'base' => get_pagenum_link(1) . '%_%',
        'format' => 'page/%#%/',
        'current' => max(1, get_query_var('paged')),
        'total' => $total,
        'mid_size' => 4,
        'type' => 'list',
        'prev_text' => '<',
        'next_text' => '>',
        'before_page_number' => ''
    ));
    $paginate_links = str_replace('//', '/', $paginate_links);

    echo '<nav role="navigation" class="navigation pagination"> <h2 class="screen-reader-text">Posts navigation</h2>';
    echo '<div class="nav-links">';
    echo $paginate_links;
    echo '</div>';
    echo '</nav>';
}