</section> <?php } ?> <header> <h1> <?php echo t('Table of Contents'); ?> </h1> </header> <section class="container-fluid"> <div class="row row-md-flex row-md-flex-wrap"> <?php $parts = ProjectInfo::getAllParts($project_id, $domain_handle, $volume_handle); $nr_cols = count($parts) / 4; if ($nr_cols == 0) { $nr_cols = 1; } $nr_parts_per_col = count($parts) / $nr_cols; if ($nr_parts_per_col == 0) { $nr_parts_per_col = 1; } $start_part = 0; for ($i = 0; $i < $nr_cols; $i++) { if ($start_part == count($parts)) { break; } ?> <div class="col-sm-12 col-md-3 col-lg-3">