CSS References
CSS - Reference CSS - Selectors CSS - Functions CSS - Units CSS - Animatable CSS - Entities
All CSS Properties
align-content align-items align-self all animation animation-delay animation-direction animation-duration animation-fill-mode animation-iteration-count animation-name animation-play-state animation-timing-function backface-visibility background background-attachment background-blend-mode background-clip background-color background-image background-origin background-position background-repeat background-size border border-bottom border-bottom-color border-bottom-left-radius border-bottom-right-radius border-bottom-style border-bottom-width border-collapse border-color border-image border-image-outset border-image-repeat border-image-slice border-image-source border-image-width border-left border-left-color border-left-style border-left-width border-radius border-right border-right-color border-right-style border-right-width border-spacing border-style border-top border-top-color border-top-left-radius border-top-right-radius border-top-style border-top-width border-width bottom box-decoration-break box-shadow box-sizing caption-side caret-color @charset clear clip color column-count column-fill column-gap column-rule column-rule-color column-rule-style column-rule-width column-span column-width columns content counter-increment counter-reset cursor direction display empty-cells filter flex flex-basis flex-direction flex-flow flex-grow flex-shrink flex-wrap float font @font-face font-family font-kerning font-size font-size-adjust font-stretch font-style font-variant font-weight grid grid-area grid-auto-columns grid-auto-flow grid-auto-rows grid-column grid-column-end grid-column-gap grid-column-start grid-gap grid-row grid-row-end grid-row-gap grid-row-start grid-template grid-template-areas grid-template-columns grid-template-rows hanging-punctuation height hyphens @import isolation justify-content @keyframes left letter-spacing line-height list-style list-style-image list-style-position list-style-type margin margin-bottom margin-left margin-right margin-top max-height max-width @media min-height min-width mix-blend-mode object-fit object-position opacity order outline outline-color outline-offset outline-style outline-width overflow overflow-x overflow-y padding padding-bottom padding-left padding-right padding-top page-break-after page-break-before page-break-inside perspective perspective-origin pointer-events position quotes resize right tab-size table-layout text-align text-align-last text-decoration text-decoration-color text-decoration-line text-decoration-style text-indent text-justify text-overflow text-shadow text-transform top transform transform-origin transform-style transition transition-delay transition-duration transition-property transition-timing-function unicode-bidi user-select vertical-align visibility white-space width word-break word-spacing word-wrap z-index

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;


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:

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