/**
* Writes a common 'edit' button for a template css.
*
* @param string $task An override for the task.
* @param string $alt An override for the alt text.
*
* @return void
*
* @since 1.5
*/
public static function editCss($task = 'edit_css', $alt = 'JTOOLBAR_EDIT_CSS')
{
$bar = Toolbar::getInstance('toolbar');
// Add an edit css button (hide).
$bar->appendButton('Standard', 'editcss', $alt, $task, true);
}