The CSS you've been hacking around might already be unlocked.

What once needed workarounds can now be written in pure CSS. See at a glance when each feature became available across major browsers.

Modern CSS from your AI, too

Install the CSS Unlocked skill and your AI coding assistant looks up browser support here before it suggests CSS. You get the newest features that already work everywhere, instead of the ones it half-remembers.

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Latest Unlocked CSS Features

The 12 most recently unlocked CSS features across major browsers.

overflow-anchor
property
MDN Document
position-anchor
property
MDN Document
progress
type
MDN Document
text-box
property
MDN Document
text-box-edge
property
MDN Document
text-box-trim
property
MDN Document
sibling-count
type
MDN Document
sibling-index
type
MDN Document
-webkit-scrollbar
selector
MDN Document
picture-in-picture
selector
MDN Document
field-sizing
property
MDN Document
open
selector
MDN Document