W3C Invited Expert on the CSS Working Group

Helping define the future of styles on the web

by Miriam Suzanne on March 4, 2020

I’ve joined the CSS Working Group as a W3C Invited Expert to help to develop the next level of Cascading & Inheritance, in addition to other CSS standards. I’m also currently active in the CSS4 and Design Token Community Groups.

I was invited to join after the CSSWG approved work on my proposal for extending the CSS Cascade & Inheritance module, so that authors can define custom CSS origins. Jen Simmons presented the proposal at a CSSWG “face-to-face” meeting, along with supporting slides. I’ll write an article with details about the proposal soon.

I think it’s a brilliant idea. Almost want to stop talking about whether or not to do it, and just start talking syntax.

—Florian Rivoal, Invited Expert at W3C CSSWG

In the meantime, it’s an honor to join the W3C, and help define the future of a language I love. I have a lot to learn about the process, but I’m excited to start contributing!

Featured Workshop

Mia from behind,
standing at a laptop -
speaking to a conference audience
and gesturing to one side

Cascading Style Systems

A workshop on resilient & maintainable CSS

by Miriam

New CSS features are shipping at an unprecedented rate – cascade layers, container queries, the :has() selector, subgrid, nesting, and so much more. It’s a good time to step back and understand how these tools fit together in a declarative system – a resilient cascade of styles.

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Speeding Up Your Sass Compilation in Vite and Webpack

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by James Stuckey Weber on Aug 14

Sass compilation can be a speed bottleneck in your build, but it doesn’t have to be anymore.

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Partial Feature Queries, Relaxed Layout Containment, and More

CSS Working Group updates from July

by Miriam Suzanne on Aug 13

Over the last month, the CSS Working Group has determined we can loosen containment restrictions for query containers, and agreed on a syntax for special-case support queries (like support for the gap property in a flex context, or support for align-content in a block flow context).

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CSS Working Group Updates for June & July

What I’ve been working on as an Invited Expert

by Miriam Suzanne on Jul 22

The CSS Working Group has regular face-to-face meetings (hybrid online/in-person) throughout the year, and they always result in a flurry of activity! Here’s a rundown of some highlights from the last few months, with a focus on the features I maintain.

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