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As an experiment to see if Modern CSS is up to the task, I recreated the Google Antigravity website with Modern CSS.

If you kinda understand Anchor Positioning, but it still surprises you from time to time, then most likely this is the missing piece of information: the Inset-Modified Containing Block (or IMCB for short).

If you kinda understand Anchor Positioning, but it still surprises you from time to time, then most likely this is the missing piece of information: the Inset-Modified Containing Block (or IMCB for short).

Celebrating both Winterfest and 20 years of iA this year, with one gift to enjoy each day.

The post iA Winterfest 2025 appeared first on iA.

Celebrating both Winterfest and 20 years of iA this year, with one gift to enjoy each day.

Chrome 144 features a small change to overscroll-behavior: it now also works on non-scrollable scroll containers. While this change might seem trivial, it fixes an issue developers have been dealing with for ages: prevent a page from scrolling while a (modal) <dialog> is open.

Chrome 144 features a small change to overscroll-behavior: it now also works on non-scrollable scroll containers. While this change might seem trivial, it fixes an issue developers have been dealing with for ages: prevent a page from scrolling while a (modal) <dialog> is open.

A while ago I joined Dan Neciu – whom I met at Frontmania in 2023 – on his “Señors @ Scale” podcast. We talked about all things CSS.

A while ago I joined Dan Neciu – whom I met at Frontmania in 2023 – on his “Señors @ Scale” podcast. We talked about all things CSS.

Starting with Chrome 144, Anchor Positioning is going to be transform-aware. From then on, anchoring will resolve against the bounding box of the transformed ancho

Starting with Chrome 144, Anchor Positioning is going to be transform-aware. From then on, anchoring will resolve against the bounding box of the transformed ancho

By using two sequential View Transitions when intercepting links with the Navigation API – one in the precommitHandler and one in the regular handler – you can fake a Two-Phase View Transition today!

Chrome no longer forces width/height animations to run on the Main Thread, in case those values don’t actually change throughout an animation.

Marking, tracking and spotting AI generated text

The post See What AI Wrote appeared first on iA.

How the cascade, the animation-fill-mode, and implicit keyframes make things a bit more complicated then you’d initially think …

Marking, tracking and spotting AI generated text

Our annual celebration of great writing and presenting

The post The 2025 iA Awards appeared first on iA.

Our annual celebration of great writing and presenting

There’s a new type of CSS scroll-state query coming: scrolled

I built something that I needed into DevTools: debugging support for CSS @starting-style rules.