//style sheet
            $boxElement.css("display", "none");
            $boxElement.css("position", "absolute");
            $boxElement.css("text-align", "left");
            $boxElement.css("font-size", $element.css("font-size"));
            if (typeof setting.boxCssInfo === "undefined") {
              $boxElement.css("border", "1px solid #cccccc");
              $boxElement.css(
                "-webkit-box-shadow",