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border-image-source

files/en-us/web/css/reference/properties/border-image-source/index.md

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

The {{cssxref("border-image-slice")}} property is used to divide the source image into regions, which are then dynamically applied to the final border image.

{{InteractiveExample("CSS Demo: border-image-source")}}

css
border-image-source: url("/shared-assets/images/examples/border-diamonds.png");
css
border-image-source: url("/shared-assets/images/examples/border-stars.png");
css
border-image-source: repeating-linear-gradient(
  45deg,
  transparent,
  #4d9f0c 20px
);
css
border-image-source: none;
html
<section id="default-example">
  <div id="example-element">This is a box with a border around it.</div>
</section>
css
#example-element {
  width: 80%;
  height: 80%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 50px;
  background: #fff3d4;
  color: black;
  border: 30px solid;
  border-image: url("/shared-assets/images/examples/border-diamonds.png") 30
    round;
  font-size: 1.2em;
}

Syntax

css
/* 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 {{cssxref("border-style")}} is displayed instead.
  • {{cssxref("image")}}
    • : Image reference to use for the border.

Formal definition

{{CSSInfo}}

Formal syntax

{{csssyntax}}

Examples

Basic example

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

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also