You can add reflections and shadows to images, shapes, text boxes, lines, arrows, and videos.
Select an image, shape, text box, line, arrow, or video, then click the Style tab at the top of the sidebar on the right.
If you don’t see a sidebar, or the sidebar doesn’t have a Style tab, click 
in the toolbar.
Select the Reflection checkbox, then drag the slider to make the reflection more or less visible.
Select an image, shape, text box, line, arrow, or video.
To add a shadow to a chart series, see Change the look of a chart.
Click the Style tab at the top of the sidebar on the right.
If you don’t see a sidebar, or the sidebar doesn’t have a Style tab, click in the toolbar.
Click the disclosure triangle next to Shadow, then click the pop-up menu and choose a type of shadow:
Drop Shadow: Makes the object looks like it’s hovering above the page.
Contact Shadow: Makes the object look like it’s standing on the page.
Curved Shadow: Makes the object look like its edges are curled.
Adjust any of the following to change the look of the shadow:
Blur: The softness of a shadow’s edge.
Offset: How far the shadow is from the object or text.
Angle: The angle of the shadow.
Perspective: The angle of the light source in a contact shadow.