CSS Container Queries, Layers, Scoping and More with Miriam Suzanne

Jun 16, 2021

Miriam Suzanne, a web developer and CSS expert known for her contributions to CSS specifications, joins the hosts to discuss container queries. She shares the evolution and significance of these features, detailing how they revolutionize responsive design by allowing styles to adapt to container sizes. The conversation also covers the CSS 'contain' property for improved performance and the role of community involvement in feature development. Miriam's insights illuminate the future of CSS and its impact on web development.

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INSIGHT

Container Queries Importance

Container queries are a groundbreaking feature for web development.
They were highly requested and considered important for CSS.

ANECDOTE

Container Queries History

Container queries have been discussed since 2008, facing challenges like potential infinite loops.
Containment in CSS was introduced partly to enable container queries.

ANECDOTE

CSS Cascade Layers

Miriam Suzanne joined the CSS Working Group and proposed cascade layers.
Cascade layers allow developers to define specificity levels, like theme or components.

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In this episode of Syntax, Scott and Wes talk with Miriam Suzanne about all things CSS — container queries, layers, scoping, and more!

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Guests

Miriam Suzanne

Show Notes

02:21 - When did you come on board with container queries?

10:27 - How would you declare specificity?

Layer example:

@layer default; @layer theme; @layer components; @import url(theme.css) layer(theme); @layer default { audio[controls] { display: block; } }

13:08 - What is your background?

18:20 - What are container queries?

22:06 - What is the background on contain? How does it work?

https://developer.mozilla.org/en-US/docs/Web/CSS/contain

29:25 - Is it still under development?

https://www.igalia.com/open-prioritization/index

33:51 - Have you tried the EQ polyfill from Johnathan Neal yet?

35:21 - How far out are we?

38:10 - What is Scope?

44:00 - How will MQ and CQ work together?

45:49 - Do you use inline and block?

48:44 - What browser do you use?

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