.itemAttachments li {display : block; }

<?php if($this->item->params->get('itemAttachments') && count($this->item->attachments)): ?>
	  <!-- Item attachments -->
	  <div class="itemAttachments">
		  <span><?php echo JText::_('K2_DOWNLOAD_ATTACHMENTS'); ?></span>
		  <ul class="itemAttachmentsBlock">
		    <?php foreach ($this->item->attachments as $attachment): ?>
		    <li>
			    <a title="<?php echo K2HelperUtilities::cleanHtml($attachment->titleAttribute); ?>" href="<?php echo $attachment->link; ?>"><?php echo $attachment->title; ?><br></a>
				<?php if($this->item->params->get('itemAttachmentsCounter')): ?>
				<span>(<?php echo $attachment->hits; ?> <?php echo ($attachment->hits==1) ? JText::_('K2_DOWNLOAD') : JText::_('K2_DOWNLOADS'); ?>)</span>
			    <?php endif; ?>
		    </li>
		    <?php endforeach; ?>
		  </ul>
	  </div>
	  <?php endif; ?>