CSS-only chat

Popover API Sliding Nav

Here’s a nifty demo of popover but it’s not for what we’d traditionally consider a modal dialog.

Revealing ‘back to top’ button

Such a clever minimalist use of CSS!

The Web Needs a Native .visually-hidden

I agree with the reasoning here—a new display value would be ideal.

On Container Queries, Responsive Images, and JPEG-XL – Cloud Four

Container queries can’t be used in the sizes attribute for responsive images. Here, Jason breaks down why that is (spoiler: it’s the lookahead pre-parser) and segues into a truly long term solution: a “magical” image format.

If you’ve ever thought it felt weird to put media conditions inside the HTML for responsive images, this will resonate.

Notes From “In And Out Of Style” - Jim Nielsen’s Blog

I love these notes on my recent talk!