A chat with Chris Coyier
At the end of 2025,
Firefox added the CSS @scope rule –
making the new feature available
across all major browsers!
Since Chris Coyier has done
a fair amount of writing
and speaking on the topic,
we wanted to talk with him
about what that means.
Chris has also been writing
about the future of CSS mixins,
a new specification
Miriam is working on.
We answer questions,
get feedback,
and chat about where CSS is heading.
Check out our CSS Mixins Playlist today.
@scope is and when it is useful@content work for CSS mixins, similar to Sass?@content vs @contents
CSS properties come in two excellent flavors – longhand properties have a direct impact on the element, while shorthand properties take a much more convoluted path. There’s a lot going on when we use a shorthand property, with hidden surprises, and reasons we might use one or the other.
CSS anchor positioning isn’t baseline yet, and there’s good reason for that. You can use it, but it comes with some caveats. James, Stacy, and Miriam cover new resources to make anchor positioning easier, and work through some demos to help you understand how anchor positioning works. We also look…
Hidden gems of UI development
Join Stacy, James, and Miriam as we explore some hidden gems of UI development – from @starting-style for smoother entry transitions to performance boosts with AVIF images and using the browser’s built-in lazy-loading. We cover a variety of quick wins that you can use to make your life easier and…