joomla 4-5
$document = $app->getDocument();
if ($document->customCSS){
$document->addStyleSheet('/media/templates/site/custom/css/'.$document->customCSS, array('version'=>'v.107'));
}
—
joomla 3
$template_url = JUri::root().‘templates/’.$this->template;
// Add Stylesheets
JHtml::_(‘stylesheet’, $template_url . ‘/css/template.css’, array(‘version’ => ‘auto’, ‘relative’ => true));
або
<link rel="stylesheet" href="<?php echo JUri::root() . 'templates/custom/css/' . $customCSS . '?v=107'; ?>" />
