If you have chosen a different layout - such as a three-column layout, then, you cannot move the lines.
If, on the other hand, you have added the Columns widget, you can move the divider line by clicking on it and dragging it left and right.
If you have chosen a different layout - such as a three-column layout, then, you cannot move the lines.
If, on the other hand, you have added the Columns widget, you can move the divider line by clicking on it and dragging it left and right.