block.tpl.php

<section id="<?php print $block_html_id; ?>" class="<?php print $classes; ?>"<?php print $attributes; ?>>

  <?php print render($title_prefix); ?>
  <?php if (!empty($block->subject)): ?>
    <h2 <?php print $title_attributes; ?>><?php print $block->subject ?></h2>
  <?php endif;?>
  <?php print render($title_suffix); ?>

  <div class="content"<?php print $content_attributes; ?>>
    <?php print $content ?>
  </div>
  
</section> <!-- /.block -->