Help: "border-image-slice" CSS property Help: "border-image-slice" CSS propertyThis property sets inward offsets from the top, right, bottom, and left edges of the image respectively, dividing it into nine regions: four corners, four edges and a middle. The middle part is discarded unless "fill" is present.
| CSS Level | Value |
|---|---|
| CSS 2.1 | (invalid) |
| CSS3 | "[ <number> | <percentage> ]{1,4} && fill?" |