public function moveMouseOver($cssOrXPath = null, $offsetX = null, $offsetY = null)
    {
        $where = null;
        if (null !== $cssOrXPath) {
            $el = $this->matchFirstOrFail($this->getBaseElement(), $cssOrXPath);
            $where = $el->getCoordinates();
        }

        $this->webDriver->getMouse()->mouseMove($where, $offsetX, $offsetY);
    }