//remove unnecessary addCSS (fancybox)

classes/controller/FrontController.php

@@ -742,7 +742,6 @@ class FrontControllerCore extends Controller
 			$this->addJqueryUI('ui.sortable');
 			$this->addjqueryPlugin('fancybox');
 			$this->addJS(_PS_JS_DIR_.'hookLiveEdit.js');
-			$this->addCSS(_PS_CSS_DIR_.'jquery.fancybox-1.3.4.css', 'all'); // @TODO
 		}
 		if ($this->context->language->is_rtl)
 			$this->addCSS(_THEME_CSS_DIR_.'rtl.css');