CSS3 border-image-outset Property

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Complete CSS Reference

Example

Place the border 15 pixels outside the edges of the <div> element:

div {
border-image-source: url(border.png);
border-image-outset: 15px;
}

Try it yourself »

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).

Default value:	0
Inherited:	no
Animatable:	no. Read about animatable
Version:	CSS3
JavaScript syntax:	object.style.borderImageOutset="5px 10px 20px 15px" 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 specifies the amount by which the border image area extends beyond the border box. on the 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. Negative values are not allowed for any of the border-image-outset values.

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	Play it »
number	Represent multiples of the corresponding border-width	Play it »
initial	Sets this property to its default value. Read about initial	Play it »
inherit	Inherits this property from its parent element. Read about inherit