Appearance

The choice takes effect at once. Nothing on this page runs JavaScript.

Follow the system Light Dark

The switch is pure CSS. Making the choice last is a different job, and it is the app's: here there is no server and no storage, so the choice holds until you reload the page.

Grant application Under review

The surfaces, borders and text all read their colours from the same tokens, so they follow the choice without any of them knowing about it.

Amount applied for

The browser's own surfaces follow along, because the blocks set color-scheme.