CSS3 border-image-slice Property
Specify how to slice the border image:
Definition and Usage
The border-image-slice property specifies how to slice the image specified by border-image-source. The image is always sliced into nine sections: four corners, four edges and the middle.
The "middle" part is treated as fully transparent, unless the fill keyword is set.
Tip: Also look at the border-image property (a shorthand property for setting all the border-image-* properties).
The numbers in the table specify the first browser version that fully supports the property.
Note: The border-image-slice property can take from one to four values. If the fourth value is omitted, it is the same as the second. If the third one is also omitted, it is the same as the first. If the second one is also omitted, it is the same as the first.
|number||The number(s) represent pixels for raster images or coordinates for vector images|
|%||Percentages are relative to the height or width of the image|
|fill||Causes the middle part of the image to be displayed|
|initial||Sets this property to its default value. Read about initial|
|inherit||Inherits this property from its parent element. inherit|