Select a shape.
On the Format menu, click Shadow.
Under Shadow, click the options you want from the Style, Color, Pattern, and Pattern color lists, and set the level of transparency you want.
Note: A shadow style includes the shadow size, offset, and angle settings. To make a shape on a page follow the page shadow style settings, first set the shadow style and offsets on the Shadows tab of the Page Setup dialog box. Then, select a shape on the page and click Shadow on the Format menu. In the Shadow dialog box under Style, click Page Default.
Tip: To remove a shadow immediately after clicking OK, click Undo on the Edit menu. To remove a shadow later, select the shape. Then, on the Format menu, click Shadow, and then click None in the Style list.