A Previous Sibling Selector

Jim Nielsen set out to style a bunch of links that appeared before hr elements. As the element tree – generated from a Markdown file – was entirely flat, there are no enclosing section elements to hook onto in order to select those links (using something like section p:last-child a:only-child). The solution? The :has() selector: …

Complex vs Compound Selectors

Good post by Miriam Suzanne In CSS, there are compound selectors and also complex selectors, and I never remember which is which. Do you need to learn the difference? Probably not. But I’m tired of looking it up. Don’t tell anyone but this is the reason why many of us blog: to remember things 😉 …

Fun CSS-only scrolling effects for Matterday

In this post, Lynn Fisher walks us through the parallax scrolling CSS effects featured on the Matterday project. Does not use Scroll-Linked Animations (which is undergoing a spec rewrite) but transform hacks that rely on translateZ() to create a stack and scale() to correct the size again. Fun CSS-only scrolling effects for Matterday →

Re-evaluating technology

Jeremy underlines importance of revisiting past decisions: In recent years in particular it feels like the web has come on in leaps and bounds: service workers, native JavaScript APIs, and an astonishing boost in what you can do with CSS. Most important of all, the interoperability between browsers is getting better and better. Universal support …

Star Wars Scene Transition Effects in CSS

You know those wipe transitions between scenes in Star Wars movies? Have you ever thought it would be awesome to recreate them with CSS? Probably not, but, well, here we are. Let’s do it. Uses gradients set as a mask-image which transition on hover. For the iris and clock wipte effects, @property is used. Star …

First Look At The CSS object-view-box Property

Ahmad Shadeed dives into the new object-view-box property, a side-invention to the aforementioned Page Transitions API: The object-view-box property specifies a “view box” over an element, similar to the <svg viewBox> attribute, zooming or panning over the element’s contents. Like so: img { aspect-ratio: 1; width: 300px; object-view-box: inset(25% 20% 15% 0%); } Available now …

Deep Dive into Text Wrapping and Word Breaking

Will Boyd: Let’s talk about the various ways we can control how text wraps (or doesn’t wrap) on a web page. CSS gives us a lot of tools to make sure our text flows the way we want it to, but we’ll also cover some tricks using HTML and special characters. Contains a ton of …

The Future of CSS: CSS Toggles

Late last week, I was very delighted to see that Chromium will start prototyping with CSS Toggles, a proposal currently only available as an Unofficial Draft, authored by Tab Atkins and Miriam Suzanne (who else?!). CSS toggles are a mechanism for associating toggleable state with a DOM element. This state can be defined and connected …

30 Days of PWA

Microsoft recently did a “30 Days of PWA” blog series. The posts got grouped per week, each week with a shared topic: Core Concepts: Learn the fundamental concepts and components of a PWA. Advanced Capabilities: Explore web capabilities APIs, status, and examples of use. Developer Tools: Learn about key authoring, debugging, auditing, testing and packaging …