How we look at the stacking order of our projects, how we choose z-index values, and more importantly, the implications of those choices.
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Sure, we can select the <html> element in CSS with, you know, a simple element selector, html. But what other (trivial and perhaps useless) ways can we do it?
Choosing between Popover API and Dialog API is difficult because they seem to do the same job, but they don’t! After a bit lots of research, I discovered that the Popover API and Dialog API are wildly different in terms of accessibility and we’ll go over that in this article.
Despite what’s been a sleepy couple of weeks for new Web Platform Features, we have an issue of What’s !important that’s prrrretty jam-packed. The web community had a lot to say, it seems, so fasten your seatbelts!
TL;DR: We can center absolute-positioned elements in three lines of CSS. And it works on all browsers!
Read an explanation of the recent CVE-2026-2441 vulnerability that was labeled a “CSS exploit” that “allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.”
.element { corner-shape: scoop; }
.element { rotate: asin(-0.5); }
.element { corner-shape: superellipse(2); }
.element { filter: blur(5px); }
.element { filter: brightness(1.5); }
.element { filter: grayscale(100%); }
.element { opacity: progress(100vw, 400px, 1200px); }
.element { width: abs(-200px); }
.element { animation-range: cover; }
.element { view-timeline-axis: x; /* horizontal axis */ }
.element { view-timeline-inset: 200px 20%; }
