code: function (element, overlay) {
              var overlayStyle = overlay.style;
              overlayStyle.position = "absolute";
              overlayStyle.top = element.offsetTop + "px";
              overlayStyle.left = element.offsetLeft + "px";
              overlayStyle.display = "block";
          }
docs: Calculate the Geometry/Position for the overlay
  @param {HTMLElement} element DOM element to apply the overlay
  @param {HTMLElement} overlay DOM element of the overlay
  @protected