Hasty Treat - Container Queries Are Here

April 19, 2021, 1 p.m. (1 year, 7 months ago)
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In this Hasty Treat, Scott and Wes talk about CSS container queries, what they are and how to use them.

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Show Notes

07:22 - Why?

  • Container queries are media queries for components (e.g. they are based on the element’s size, not the browser).
  • This is in line with how we write components.
  • It will change the way we write CSS.

08:49 - The Syntax

  • Containers need to be defined as containers via containment context
 .container {   contain: size layout; }  

New contain value:

 .inline-container {   contain: inline-size; }  

This is the same as the logical properties. Assuming you read LTR, or RTL:

  • size - width and height
  • inline-size = width
  • block-size = height
 /* @container  {  } */ @container (inline-size > 45em) {   .media-object {     grid-template: "img content" auto / auto 1fr;   } }  

18:49 - How to try them today

  1. Download and/or update Chrome Canary
  2. Go to chrome://flags
  3. Search and enable “CSS Container Queries”
  4. Restart the browser

19:27 - Demos

Links

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