Web Platform Baseline Status Breakdown
Total Features: 1219
Categories:
All
CSS (6)
Text (4)
Units (4)
Workers (3)
Color types (2)
Container queries (2)
JavaScript (2)
JavaScript modules (2)
Reporting (2)
Selectors (2)
Streams (2)
WebAssembly (2)
Animation (1)
Clipping, shapes, and masking (1)
Explicit defaults (1)
HTML (1)
Image scaling (1)
Internationalization (1)
Iterators (1)
Maps (1)
MathML (1)
Scrolling (1)
Security (1)
View transitions (1)
2026
2 features
• May 2026
Newly Available
Container style queries with the @container at-rule apply styles to an element based on the values of custom properties of its container.
Chrome
111
Firefox
151
Safari
18
Edge
111
Baseline Date: May 19, 2026
Newly Available
Name-only container queries with the @container … at-rule apply styles to an element based on the name of the element's container alone.
Chrome
148
Firefox
149
Safari
26.4
Edge
148
Baseline Date: May 7, 2026