Bitmap Properties
If you select a bitmap (image), the bitmap properties (Width, Height, Color, and Opacity) are displayed in the Property Manager.
View the Width, Height, and Color depth for a bitmap.
Set the opacity for the bitmap in the Bitmap Properties section.
Width, Height, Color
Width, Height, and Color are read-only properties. This is the size and color depth for the imported bitmap.
Opacity
The Opacity value can be specified between 100% (full opacity, no transparency) to 0% (no opacity, full transparency).