Подключение CSS к PHP - Joomla 3.x: Установка, обновление и настройка

<form class="form-inline mod-shop-search" name = "searchForm" method = "post" action="<?php print SEFLink("index.php?option=com_jshopping&controller=search&task=result", 1);?>" onsubmit = "return isEmptyValue(jQuery('#jshop_search').val())">
<input type="hidden" name="setsearchdata" value="1">
<input type = "hidden" name = "category_id" value = "<?php print $category_id?>" />
<input type = "hidden" name = "search_type" value = "<?php print $search_type;?>" />
<input type = "text" class = "inputbox input-small" placeholder="<?php print("Название или модель...")?>" style = "width:250px; height: 36px; text-align: left" name = "search" id = "jshop_search" value = "<?php print htmlspecialchars("")?>" />
<input class = "button btn" type = "submit" value = "<?php print _JSHOP_GO?>" />
<?php if ($adv_search) {?>
<div class="adv_search_link">
    <a href = "<?php print $adv_search_link?>"><?php print _JSHOP_ADVANCED_SEARCH?></a>
</div>
<?php } ?>
</form>

"echo "<link rel='stylesheet' href='style.css'>";"

$doc = JFactory::getDocument();
$baseUrl = JUri::base();

$doc->addStyleSheet($baseUrl.'templates/'.$this->template.'/css/style.css');