border-image-slice
Determines how to 'cut' the border image into nine pieces (four corners, four edges, and a center). These pieces are then used to build the final border by resizing them to fit your element.
It is documented as part of the CSS Backgrounds and Borders specification.
Syntax
/* Usage Example */
.sliced-box {
border: 30px solid;
border-image-source: url(';border.png');
/* Cut 30px from each edge of the image source */
border-image-slice: 30;
}
/* Syntax */
border-image-slice: number;
border-image-slice: percentage;
border-image-slice: fill;
/* Global values */
border-image-slice: inherit;
border-image-slice: initial;
border-image-slice: revert;
border-image-slice: revert-layer;
border-image-slice: unset;border-image-slice Browser support
Widely available
Since
2017 96% global usage
This feature is well established and works across many devices and browser versions. It has been available across browsers since 2017.
15+
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