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Web Platform Baseline Status Breakdown Total Features: 1224
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Status: All Limited
Categories: All CSS (102) HTML elements (100) Selectors (46) JavaScript (43) Forms (42)
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Showing 4 of 4 features

Limited Availability

4 features
• In Progress / Not Yet Baseline

Anchor positioned elements take CSS transforms on their anchor elements into account.

Chrome 144
Firefox —
Safari 27
Edge 144
Status: Incomplete cross-engine support

Anchor positioning places an element based on the position of another element. For example, you can place a tooltip next to the content it references.

Chrome —
Firefox —
Safari 27
Edge —
Status: Incomplete cross-engine support

Anchor position container queries with the @container anchored(fallback: …) at-rule apply styles to an element based on the element's anchor position.

Chrome 143
Firefox —
Safari —
Edge 143
Status: Incomplete cross-engine support

The anchor() and anchor-size() CSS functions animate or transition on changes such as the anchor box moving or the anchor element changing.

Chrome 125
Firefox —
Safari 26
Edge 125
Status: Incomplete cross-engine support