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The Future of CSS

First reported by Joshwcomeau ·

The signal ●○○○ Compiled by AI from Joshwcomeau and Hacker News
Why you might care

New CSS features like custom functions and advanced shapes are becoming available, allowing for more dynamic and unique web designs without relying on JavaScript.

What happened

Browser vendors and web technology groups are collaborating on Interop 2027, a project to enhance cross-browser compatibility. This initiative aims to ensure new CSS features are supported universally. Josh W. Comeau's top 10 requested features for Interop 2027 include CSS functions, which allow developers to define and reuse styles like in programming languages, and corner-shape, enabling custom border corner styles like 'squircle' and 'bevel'. Other proposed features are border-shape for advanced custom border drawing, anchored container queries for responsive layouts based on element positioning, and the inherit() function for more flexible value inheritance. Many of these features are already partially implemented in certain browsers and are expected to gain wider support if included in Interop 2027.

What it means

The development of CSS functions and advanced shape properties like `corner-shape` and `border-shape` indicates a trend towards more powerful and declarative styling. These features empower developers to create complex visual effects and layouts directly within CSS, reducing the need for intricate JavaScript workarounds. The focus on interoperability through projects like Interop 2027 ensures these advancements will be consistently available across different browsers, simplifying front-end development.

The inclusion of features like anchored container queries and the `inherit()` function suggests a push towards more intelligent and adaptable styling. Anchored container queries will enable UIs to respond dynamically to the positioning of related elements, solving long-standing challenges with tooltips and popovers. The `inherit()` function, though less prominent, promises greater control over style cascading. Together, these developments signal a future where CSS offers a more robust and intuitive toolkit for building sophisticated user interfaces.

AI-written summary. May contain errors.

Future