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CSS border-image-width Property

The border-image-width property specifies the width of an element's border image.

CSS Demo: border-image-width

border-image-width: 15px;
border-image-width: 8%;
border-image-width: 2em;
border-image-width: 30px 20px;
border-image-width: 10px 20px 20px 10px;
This is a box with a border around it

The border-image-width property can be specified using one, two, three, or four values:

  • When one value is specified, it applies the same width to all four sides
  • When two values are specified, the first width applies to the top and bottom, the second to the left and right
  • When three values are specified, the first width applies to the top, the second to the left and right, the third to the bottom
  • When four values are specified, the widths apply to the top, right, bottom and left in that order (clockwise)

Technical Details

Default value 1
Applies to all elements, except internal table elements when border-collapse is collapse
Inherited no
Computed value as specified
Animatable no See animatable properties.
Version CSS3
JavaScript syntax object.style.borderImageWidth = "25px"


CSS Syntax:

border-image-width: number|length|auto|initial|inherit;

Examples

The following example shows how to use border-image-width property:

Run code

Browser compatibility

The numbers in the table specify the first browser version that fully supports the border-image-width property:

Property
border-image-width 15 15 15 6 12

Property Values

The following table describes the values of border-image-width property:

Value Description
auto Specifies that the border image width is the intrinsic width, or height, of the corresponding image slice
length A length unit specifying the size of the border-width. See length units
number Represents multiples of the corresponding border-width
initial Sets this property to its default value
inherit Inherits this property from its parent element

See also

CSS Border Image tutorial

CSS border-image property

CSS border-image-outset property

CSS border-image-repeat property