Limited Availability

border-shape

The border-shape CSS property sets the geometry of the border box, changing the shape of any applicable border, border image, focus outline, or shadow.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Apr 10, 2026.

Desktop Browser Engine Support

Google Chrome

147

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

—

Unsupported

Microsoft Edge

147

Supported

Mobile Browser Engine Support

Chrome Android

147

Firefox Android

—

Safari iOS

—

Specifications and References

Specification ↗ Feature XML ↗

MDN Browser Compat Data Keys:

css.properties.border-shape ↗ css.properties.border-shape.none ↗