While editing the page, position your mouse over the left-hand corner of the box and select the Settings icon (down-facing arrow) and select one of the following; Move up, Move down, Move left or Move light.
Please be aware you will not be able to move a widget out of a container if it is contained in one. You will have to copy the widget, insert it outside the container using either the Insert above or Insert below, select the Paste Clipboard widget and finally Delete the original.