Как назначить последней новости в блоге отдельный стиль? - Вопросы по CSS

<table class="contentpaneopen<?php echo $this->escape($this->item->params->get( 'pageclass_sfx' )); ?>">

<table class="contentpaneopen<?php if ($numIntroArticles == $startIntroArticles){ echo "-myclass";} ?>
<?php echo $this->escape($this->item->params->get( 'pageclass_sfx' )); ?>">

$divider = '';
$k=1;
if ($this->params->def('multi_column_order', 0)) : // order across, like front page
	for ($z = 0; $z < $this->params->def('num_columns', 2); $z ++) :
		if ($z > 0) : $divider = " column_separator"; endif; ?>
		<?php
		$rows = (int) ($this->params->get('num_intro_articles', 4) / $this->params->get('num_columns'));
		$cols = ($this->params->get('num_intro_articles', 4) % $this->params->get('num_columns'));
		?>
		<td valign="top"
			width="<?php echo intval(100 / $this->params->get('num_columns'))?>%"
			class="article_column<?php echo $divider ?>">
			<?php
			$loop = (($z < $cols)?1:0) + $rows;

			for ($y = 0; $y < $loop; $y ++,$k++) :
				$target = $i + ($y * $this->params->get('num_columns')) + $z;
				if ($target < $this->total && $target < ($numIntroArticles)) :
					$this->item =& $this->getItem($target, $this->params);
					echo '<div class="myclass-'.$k.'">';
					echo $this->loadTemplate('item');
					echo '</div>';
				endif;
			endfor;
			?></td>
	<?php endfor;

$divider = '';
$k=1;
if ($this->params->def('multi_column_order',1)) : // order across as before
for ($z = 0; $z < $this->params->def('num_columns', 2); $z ++) :
	if ($z > 0) : $divider = " column_separator"; endif; ?>
	?php
		 $rows = (int) ($this->params->get('num_intro_articles', 4) / $this->params->get('num_columns'));
		$cols = ($this->params->get('num_intro_articles', 4) % $this->params->get('num_columns'));
	?>
	<td valign="top" width="<?php echo intval(100 / $this->params->get('num_columns'))?>%" class="article_column<?php echo $divider ?>">
	<?php
	$loop = (($z < $cols)?1:0) + $rows;

	for ($y = 0; $y < $loop; $y ++,$k++) :
		$target = $i + ($y * $this->params->get('num_columns')) + $z;
		if ($target < $this->total && $target < ($numIntroArticles)) :
			$this->item =& $this->getItem($target, $this->params);
			if($k == ($this->params->get('num_intro_articles', 4))) :
				echo '<div class="myclass">';
				echo $this->loadTemplate('item');
				echo '</div>';
			else:
				echo $this->loadTemplate('item');
			endif;
		endif;
	endfor;
	?></td>
<?php endfor;