#responsive-design
Tagged “responsive-design”
2 articlesBrowser releases
Safari 27.1 previews CSS for foldable screens
Safari 27.1 on the iPhone Duo includes a developer preview of the Device Posture API and the Viewport Segments API behind feature flags, adding device-posture and viewport-segments media queries plus viewport-segment-* env() variables.
Oct 25, 2026 · Yuki TanakaCSS & layoutContainer queries observe the component, not the viewport
A Smashing Magazine piece by Victor Ayomipo argues that container queries have ~94% support and only 41.4% adoption because developers keep porting media-query breakpoints instead of letting components respond to their own container size.
Sep 19, 2026 · Iris Calderón