code: function bottom() {
                          // Can Below?
                          if (dims.target.margins.offset.fromBottom > maxHeight) {
                              // Can Centered?
                              if (dims.target.width > maxWidth) {
                                  placeVertically('bottom', 'center');
                                  return true;
                              }
                              // Can on the left?
                              if (dims.target.offset.fromRight + dims.target.width > maxWidth) {
                                  placeVertically('bottom', 'left');
                                  return true;
                              }
                              // Right, I guess...
                              placeVertically('bottom', 'right');
                              return true;
                          }
                          return false;
                      }
docs: Placement Priorities