When the borders of a picture fade out gradually, instead of meeting a sharp outline.

h4. Examples
* !post #7444856
* !post #675679 
* !post #482342

h4.See also
* [[Tag Group:Image Composition]]
* [[Blurry edges]]
* [[Diorama]]
* [[Radial gradient background]]
* [[Vignetting]]
fading border