This week
- Drama about the pricing of AI models, countless npm vulnerabilities and Google I/O that at this point should be rebranded to Google AI. This is a short summary of the past month in software. Most of the news from these categories I entirely ignore, so I prepared for you a list...
- My colleague Chris Griffith, with whom I collaborated to put The Effects of Nuclear Weapons, Third Edition (1977) online, is also a spaceflight enthusiast (and an urban trails hiker: check out his new book!). He recently asked me how I would mark up a table with a split diagonal...
- There are a bunch of JavaScript animation libraries out there, and you might have wondered whether there’s a performance cost compared to traditional CSS transitions and keyframe animations. In this blog post, we’ll compare the same animation across several different strategies...
Two weeks ago
- Safari and Firefox change how big sites render based on the domain. TikTok, Netflix, Instagram… even SeatGuru. Chrome doesn’t. Why is that?...
About a month ago
- I’ve been posting about how you can make lots of HTML pages and leverage navigations over in-page, JS-dependent interactions. Now I’m gonna post another example. On my icon sites, I have a little widget that allows you to resize the icons you’re looking at. Previously, I...
- Forgive me, Reader. It’s been five months since my last vibe check. That’s a lot of ground to cover and it’s not possible to get into everything that happened. Like in real life conversations, instead of telling you how I’m doing, I’ll tell you what I’ve been doing these past...
- I wrote about building websites with LLMs — (L)ots of (L)ittle ht(M)l page(s) — and I think it’s time for a post-mortem on that approach: I like it. I’ve tweaked a few things from that original post but the underlying idea is still the same, which I would describe as: Avoid...
about 1 month ago
- The new Animation Timeline API allows us to create dynamic scroll animations without any JavaScript! It’s honestly a very lovely API, and in this blog post, we’ll explore some of the super cool things we can do with it....
about 2 months ago
- I had to make a modal recently, it happened to be in React, so some of what follows is React specific, but the principles are all good ol' CSS/HTML and JavaScript, so don't necassarily go running just because I'm using React here…. wait, where are you going? Come back… Oh well,...
- Have you ever heard of Disney’s 12 Basic Principles of Animation? In this tutorial, we’ll explore how we can use the very first principle to create SVG micro-interactions that feel way more natural and believable. It’s one of those small things that has a big impact....
- We rolled out adaptive light-dark() support on our design system themes and it’s been a delightful upgrade. Creating light and dark variable sets isn’t difficult, but delivery has trade-offs. Most apps that do this probably ship both sets of token values in a single stylesheet....
- Introduction Buttons that scale on hover with CSS feel dead. No overshoot. No bounce. No life. Spring physics fix this. The button pops past its target scale and settles back. Feels like it has weight...
- The Problem When using TanStack Table with TanStack Virtual and many columns that extend beyond the viewport, scrolling horizontally causes the header cells to appear transparent. Body row content ble...
2 months ago
- There is a lil’ UI detail on this blog. Most people don’t even notice it, but the ones who do often reach out, asking how on earth it works. It feels like it defies the rules of CSS! In this blog post, I’ll break down the surprisingly-straightforward implementation so you can...
- Introduction You have a combobox using cmdk (shadcn Command component) inside a Radix Dialog. The list has more items than fit. You expect it to scroll. It does not scroll. You are not alone. This iss...
- Introduction Sonner is the best toast library for React. But the docs barely cover advanced styling. This is everything I learned building a custom dark toast system with colored rails, action buttons...
3 months ago
- If you’ve been building web for a while, you probably remember the mess of six million files in your head element just to have a well-supported favicon. This is all over now, and a handful of files should be more than enough. Alleluia! “How to Favicon in 2026” on Evil Martians...
- Introduction You added overflow: hidden and the collapse still looks wrong. The problem is not the motion component. It is the gap on your parent flex container. What is happening AnimatePresence keep...
- The Problem With a Fixed Textarea A normal has a fixed height. When content overflows that height, the browser adds a vertical scrollbar. This is fine for long-form editing like a notes app...
- Walking into London’s Barbican Estate is like stepping into a parallel timeline, a concrete vision of what the 1960s thought the future would look like. When people first encounter the term “brutalist”, the association that usually springs to mind is “brutal” – harsh, cruel,...
- After an absolutely devastating January, my February was chilled and productive, and I really hope to keep that trend. Today is the State of the Browsers day, and I’m well pumped to be there with my best friends, surrounded by the best folks from the web community. I’m still...
- In game development, it’s common to use spritesheets for animation, but this technique isn’t as widely used on the web. Which is a shame, because we can do some pretty cool stuff with sprites! In this post, we’ll share the niche CSS function you can use to leverage this...
4 months ago
- I have a table, with alternating rows having different background colors, and the table content overflows the container on the right. I want to have a shadow/indicator on the side of the table that is overflowing the container. Go to solutions that won't work Many moons ago, Lea...
- A step-by-step guide to extracting your brand design system and generating on-brand PDF reports and slide decks using coding agents....
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