Google credits security researcher Shaheen Fazim with reporting the exploit to Google. The dude's LinkedIn says he's a professional bug hunter, and I'd say he deserves the highest possible bug bounty for finding something that a government agency is saying "in CSS in Google Chrome before 145.0.7632.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page."
Browser cache - Sometimes the browser is still loading the old CSS file. A hard refresh (Ctrl + F5) usually fixes it. Wrong file linked - Double-check if your HTML is actually linked to the correct CSS file. Specificity issues - Another CSS rule might be overriding your changes.
Modern web applications are no longer just "sites." They are long-lived, highly interactive systems that span multiple runtimes, global content delivery networks, edge caches, background workers, and increasingly complex data pipelines. They are expected to load instantly, remain responsive under poor network conditions, and degrade gracefully when something goes wrong.
By how much? Well, that would depend on the value of the <length> argument provided. Thomas Walichiewicz, who proposed :near(), suggests that it works like this: button:near(3rem) { /* Pointer is within 3rem of the button */ } For those wondering, yes, we can use the Pythagorean theorem to measure the straight-line distance between two elements using JavaScript ("Euclidean distance" is the mathematical term), so I imagine that's what would be used behind the scenes here.
As the HTTP Archive reminds us, video and audio files are some of the heaviest resources requested by web pages. This new standard will dramatically reduce page weight and ease resource overhead all through a simple declarative HTML attribute. Lazy audio and video works just like lazy-loading of image and iframe elements work today: just add loading=
Every embedded video comes with a real cost to page load performance. Each player loads extra resources, whether the user ever hits play or not, as Chris Coyier noted in his blog post on "YouTube Embeds are Bananas Heavy and it's Fixable". The approach of using in that article works well when the video appears further down on the page and loads outside of the initial viewport. If the video is directly in the initial viewport, it can still cause a cumulative layout shift (CLS).
When building or optimizing a website from scratch, performance can easily be overlooked until problems start showing up-slow load times, poor user experience, and lower search rankings. There are many ways to improve website speed, such as image optimization, code minification, caching, choosing better hosting, or using a CDN. For developers and site owners starting fresh, it's often unclear which step delivers the biggest impact
As a contracting front-end developer and Design Systems consultant, I don't always get to work on new things. Sometimes I work within codebases. Sometimes alongside them. Sometimes these codebases are years and years old. When you dive into these projects, you're not just reading code, you're excavating years of decisions, technological limitations, and creative workarounds from days gone by. Over the last decade, I've called this Front-End Archaeology.