Mondrian is famous for paintings with big thick black lines forming a grid, where each cell is white, red, yellow, or blue. This aesthetic pairs well with the notoriously rectangular web, and that hasn’t gone unnoticed over the years with CSS developers. I saw some Mondrian Art in CSS going around the other day and figured I’d go looking for others I’ve seen over the years and round them up. Vasilis van Gemert:What if Mondrian used CSS instead of paint? Many p..

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The Svelte transition API provides a first-class way to animate your components when they enter or leave the document, including custom Svelte transitions. By default, the transition directive uses CSS animations, which generally offer better performance and allow the browser’s main thread to remain unblocked. The API is as simple as this: <element transition:transitionFunction />. You can also specify in or out directives which are uni-directional transitions, only r..

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Every now and then, I find that I’ve accumulated a bunch of links about various things I find interesting. Accessibility is one of those things! Here’s a list of related links to other articles that I’ve been saving up and think are worth sharing. Myths about Web Accessibility — Alvaro Montoro covers some classics. My favorite is “accessibility is for people with disabilities.” Accessibility is for people with disabilities, because they are people, and ..

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Sass offers functions and mixins that accept parameters. You can use Sass default parameters, that is, parameters that have a value even if you don’t provide them when the function or mixin is called. Let’s focus on mixins here. Here’s the syntax of a mixin: @mixin foo($a, $b, $c) { // I can use $a, $b, and $c in here, but there is a risk they are null } .el { @include foo(1, 2, 3); // if I tried to do `@include foo;` // ... which is valid syntax... ..

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Hot off the presses from Devon Govett, creator of Parcel, is Parcel CSS: A CSS parser, transformer, and minifier written in Rust. Nice. The CSS world could use a little processing shake up like this. I just wrote a few weeks ago: Ya know how esbuild has seriously shaken things up for the JavaScript processing world? Maybe we need a cssbuild? It would process imports and do bundling (something we generally rely on Sass for). The point would be extreme speed. Mayb..

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It’s a god-damned miracle to me that open source is as robust as it is in tech. Consider the options. You could have a job (or be entrepreneurial) with your coding skills and likely be paid quite well. Or, you could write code for free and have strangers yell at you every day at all hours. I like being a contributing kinda guy, but I don’t have the stomach for the latter. Fair enough, in reality, most developers do a bit of coding work on both sides. And clearly, they ..

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You know how you can get cardboard boxes that come totally flat? You fold ‘em up and tape ‘em to make them into a useful box. Then when it’s time to recycle them, you cut them back apart to flatten them. Recently, someone reached out to me about essentially this concept as a 3D animation and I thought it would make an interesting tutorial to do it entirely in CSS, so here we are! How might that animation look? How could we create that packing timeline? Could the sizi..

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(This is a sponsored post.) Netlify is amazing at static file hosting, but it’s really so much more than that. You can build any sort of website, even highly dynamic apps, with the Jamstack approach and static file hosting at the core. Say you want to build a TODO app with users. Those users will need to sign up and log in. Can’t do that with a static site, right? You can, actually. Netlify helps with Netlify Identity, a robust offering they’ve had for years. Enabli..

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Say you have an elements with CSS tooltips and you’re going to position those tooltips such that it opens up next to the element on hover (or probably better: when clicked/tapped). Next to it where? Above it? What if the element is already really close to the top of the screen? In that case, it should probably open below it. Or vice versa — and the same goes for the left and right edges of the screen. You definitely want it to be visible rather than overflowing the viewpo..

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Vite (pronounced “veet”) is a newish JavaScript bundler. It comes batteries-included, requires almost no configuration to be useful, and includes plenty of configuration options. Oh—and it’s fast. Incredibly fast. This post will walk through the process of converting an existing project to Vite. We’ll cover things like aliases, shimming webpack’s dotenv handling, and server proxying. In other words, we’re looking at how to move a project from its existing bun..

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