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Author Archives: Bramus!

Feature detecting Scroll-Driven Animations with @supports: you want to check for animation-range too

You want to filter out Firefox’s partial implementation …

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Posted byBramus!September 24, 2024September 24, 2024Posted inOriginal ContentTags: scroll-driven animations1 Comment on Feature detecting Scroll-Driven Animations with @supports: you want to check for animation-range too

A better capturing mode for View Transitions

What if View Transitions animated the clip-path, border-radius, opacity, … properties for you by default? And what if it preserved the hierarchy of the tree?

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Posted byBramus!September 23, 2024January 7, 2025Posted inOriginal ContentTags: view transitionsLeave a comment on A better capturing mode for View Transitions

Animate to height: auto; (and other intrinsic sizing keywords) in CSS

Use the interpolate-size property or the calc-size() function to enable smooth transitions and animations from lengths to intrinsic sizing keywords and back.

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Posted byBramus!September 17, 2024Posted inElsewhereTags: animation, css, linkLeave a comment on Animate to height: auto; (and other intrinsic sizing keywords) in CSS

Introducing @bramus/caniuse-cli, a CLI tool for “Can I Use …”

I scratched my own itch (again) and built a command line tool for “CanIUse …”.

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Posted byBramus!September 14, 2024September 15, 2024Posted inOriginal ContentTags: caniuse, cli2 Comments on Introducing @bramus/caniuse-cli, a CLI tool for “Can I Use …”

Introducing @bramus/style-observer, a MutationObserver for CSS

@bramus/style-observer is a MutationObserver for CSS. It allows you to attach JavaScript callbacks to changes in computed values of CSS properties

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Posted byBramus!August 31, 2024February 25, 2025Posted inOriginal ContentTags: css, mutationobserver2 Comments on Introducing @bramus/style-observer, a MutationObserver for CSS

Feature detect CSS @starting-style support

Awaiting browser support for at-rule(), here’s how you do it.

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Posted byBramus!July 11, 2024October 6, 2024Posted inOriginal ContentTags: css, feature detection, starting-style4 Comments on Feature detect CSS @starting-style support

Feature detect CSS @property support

Awaiting browser support for at-rule(), here’s how you do it.

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Posted byBramus!July 3, 2024July 11, 2024Posted inOriginal ContentTags: at-property, css, feature detection2 Comments on Feature detect CSS @property support

Computing cos(25deg) in CSS

An answer to a headscratcher Tyler Gaw (and Chris Coyier) ran into …

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Posted byBramus!July 1, 2024May 15, 2025Posted inOriginal ContentTags: css, custom propertiesLeave a comment on Computing cos(25deg) in CSS

Cross-Document View Transitions for MPAs are here! (2024.06.05 @ CSS Day Pre-Event)

Me, on stage

Slides of the talk “MPA View Transitions are here!” I gave at the CSS Day Pre-Event at CMD

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Posted byBramus!June 11, 2024June 11, 2024Posted inOriginal ContentTags: public speaking, view transitionsLeave a comment on Cross-Document View Transitions for MPAs are here! (2024.06.05 @ CSS Day Pre-Event)

CSS-only Custom Range Slider with Motion

@property + counters + anchoring + scroll-driven animations = 😍

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Posted byBramus!June 6, 2024June 6, 2024Posted inElsewhereTags: at-property, css, demo, link, scroll-driven animations3 Comments on CSS-only Custom Range Slider with Motion

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About Bram.us

Bram.us is the technical/geeky weblog of Bramus Van Damme, a Freelance Web Developer from Belgium.

Main topics are web related technologies (CSS, JS, PHP, …), along with other geeky things (robots, space, …) and personal interests (cartography, music, movies, …).

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