Top Element (Report Items) (RDL)
Indicates the distance of the item from the top of the containing item.
The string for the Top element must contain a number (with a period character used as an optional decimal separator). The number must be followed by a designator for a CSS length unit such as cm, mm, in, pt, or pc. A space between the number and the designator is optional. For more information about size designators, see "CSS Length Units Reference" at msdn.microsoft.com.
The maximum value for Top is 160in. The minimum value is 0in.