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border-image-source

The border-image-source CSS property sets the source image used to create an element's border image.

Try it

The border-image-slice property is used to divide the source image into regions, which are then dynamically applied to the final border image.

Syntax

/* Keyword value */
border-image-source: none;

/* <image> values */
border-image-source: url(image.jpg);
border-image-source: linear-gradient(to top, red, yellow);

/* Global values */
border-image-source: inherit;
border-image-source: initial;
border-image-source: revert;
border-image-source: revert-layer;
border-image-source: unset;

Values

none: No border image is used. The appearance defined by border-style is displayed instead.
<image>: Image reference to use for the border.

Formal definition

Initial value	`none`
Applies to	all elements, except internal table elements when `border-collapse` is `collapse`. It also applies to `::first-letter`.
Inherited	no
Computed value	`none` or the image with its URI made absolute
Animation type	discrete

Formal syntax

border-image-source = 
  none     |
  <image>  

<image> = 
  <url>       |
  <gradient>

Examples

Basic example

.box {
  border-image-source: url('image.png');
}

Specifications

Specification
CSS Backgrounds and Borders Module Level 4 # the-border-image-source

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`border-image-source`	15	12	15	11	15	6	4.4	18	15	14	6	1.0