} else if(mode === 'stickyWidth' || mode === 'stickyTop' || mode === 'stickyBottom') {
      const h = height;
      height = clientHeight * width / clientWidth;
      if(mode === 'stickyWidth') this.options.top = 0.5 * (height - h);
      if(mode === 'stickyBottom') this.options.top = height - h;