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 →

The CSS Cascade: A Deep Dive (2022.06.09 @ CSS Day)

On June 9 & 10, I was in Amsterdam for CSS Day – a conference I’ve been attending since it’s very first edition in 2013. This time – after a two year hiatus due to youknowwhat – I was very glad to be back! This time not as an attendee though, but as a speaker. …

CSS: Select first x items

Because I keep forgetting this, an entry on the blog so that my future self can find it back easily: CSS: Want your first 5 list items to be bold? li:nth-of-type(-n + 5) {font-weight: bold;} Start with the # of list items you want to impact, then increment backward with -n. — Estelle Weyl (@estellevw) …

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 …

Bringing Page Transitions to the Web

At this year’s Google I/O, Jake presented the revised version of the Transition API: Native apps often feature transitions between states that both look great and help communicate the type of navigation to the user. The bad news: creating transitions between pages on the web is impossible. In-page transitions are possible, but complex. The good …