Limited Availability CSS

random()

The random() CSS function chooses a random numeric value within a specified range. This allows for dynamic, randomized styling using CSS.

Baseline Status: This feature is currently Limited (not yet Baseline). Latest engine implementation shipped on Oct 20, 2026.

Desktop Browser Engine Support

Google Chrome

156

Supported

Mozilla Firefox

—

Unsupported

Apple Safari

26.2

Supported

Microsoft Edge

—

Unsupported

Mobile Browser Engine Support

Chrome Android

156

Firefox Android

—

Safari iOS

26.2

Specifications and References

MDN Browser Compat Data Keys: