[demurgos]

Where is the spec? I can't find an entry on MDN.

Is there a way to get reproducibility? In the same browser or across browsers? Even if it's not the default mode.

[twiss]

Spec: https://www.w3.org/TR/css-values-5/#randomness

WPT test results: https://wpt.fyi/results/css/css-values?label=master&label=ex...

Only Safari supports it for now, it seems.

[ameliaquining]

And only in a prerelease build; no browser has yet shipped this to users by default.