border-image-outset - CSS 3

The border-image-outset property specifies the amount by which the border 
image area extends beyond the border box.Tip: Also look at the border-image property 
(a shorthand property for setting all the border-image-* properties).

Syntax

border-image-outset: length|number|initial|inherit;

Example

#borderimg
	{
	   
	border-image-source: url(border.png);
	   
	border-image-outset: 10px;
	}

Output / Return Value

Limitations

Alternatives / See Also

Reference