CSS border-image-outset Property

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Example

Place the border image 10 pixels outside the border edges of an element:

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

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Definition and Usage

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).

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Default value:	0
Inherited:	no
Animatable:	no. Read about animatable
Version:	CSS3
JavaScript syntax:	object.style.borderImageOutset="10px" Try it

Browser Support

The numbers in the table specify the first browser version that fully supports the property.

Property
border-image-outset	15.0	11.0	15.0	6.0	15.0

CSS Syntax

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

Note: The border-image-outset property can take from one to four values (top, right, bottom, and left sides). 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.

Property Values

Value	Description	Play it
length	A length unit specifying how far from the edges the border-image will appear. Default value is 0	Demo ❯
number	Represent multiples of the corresponding border-width	Demo ❯
initial	Sets this property to its default value. Read about initial
inherit	Inherits this property from its parent element. Read about inherit

CSS tutorial: CSS Border Images

CSS Reference: border-image property

CSS Reference: border-image-repeat property

CSS Reference: border-image-slice property

CSS Reference: border-image-source property

CSS Reference: border-image-width property

HTML DOM reference: borderImageOutset property