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Sidenotes positioned in the margin with CSS anchor positioning, without JavaScript. On narrow viewports and older browsers, they fall back below...

Despite broad browser support, container queries remain surprisingly underused and frequently misunderstood. Let’s look at how they differ from media queries, when to reach for each, and how container queries help reusable components respond naturally to the contexts in which they appear. - CSS - Tools - Techniques

State machines for accessible, interactive and performant UI components

Hero type that leans with the cursor: a JS pointer-tracked tilt with true depth layers (a shadow plane and a floating chip at different translateZ), and a…

This easy-to-use parallax script is built with plain vanilla JavaScript—no extra libraries, no unnecessary bulk. It adds a smooth, fun movement to elem...

Web-based feed aggregator for desktop and self-hosted server.

Tools from auditors for checking your own site against WCAG 2.1 and 2.2 AA. WCAG Radar tests in the browser you are working in; the scan walks up to 10 pages of a public address.

Hand-drawn UI controls. Every mount a fresh pen sketch. Zero dependencies.

Wiring HTML attributes into CSS with advanced typed attr(), and letting container style queries pass that state down to child components.

We can mostly blame Internet Explorer, as always.

You might need to know this someday: you can style a div, put the div into SVG, then put the SVG in to CSS and use it as a repeating background.

Exploring customizable select elements. This series explores styling possibilities. The first article covers the history and provides a guide to building a custom select as a progressive enhancement. Styling selects with CSS for unique and fun experiences.

A simple system for styling heading levels using a modular scale

Build a fast documentation site with Astro, Markdown collections, generated navigation, previous and next links, search, and a sitemap.

Faster subsequent page-loads by prefetching in-viewport links during idle time.

A post by Zach Leatherman (zachleat)

The default might not be what you expect, and it has a big impact on your styles.

Define a light source, and every shadow, highlight and surface gradient follows from it. Calibrated against Blender raytraces — rendered with box-shadow.

The one where I build my own text editor (until I get bored).

The journey to create a polyfill for the upcoming CSS random() function that works in all browsers.

Hi, I am Justine Soulié, a french freelance art director based in Paris with a keen interest in art direction and illustration

A complete interactive reference to every CSS measurement unit. From the basics of px and rem to the nuances of svh, dvh, and cqw.

A members area reserves part of a website for a group who sign in with an emailed link. What it is, which websites need one, and why it is safe.

An open source collection of high quality, animated, interactive & fully customizable Svelte components for building stunning, memorable user interfaces.

Convert images and gradients into scalable vector dither patterns. Bayer, halftone, dots, lines, and more. Export as SVG or PNG.

HTML has been gobbling up swathes of what used to be JavaScript’s remit. This page lists a bunch of dynamic functionality that we can now achieve with just HTML.

Every element I use for the basic structure of a HTML document, with explanations why.

How Astro 7.2 incremental static builds cut a one-post rebuild from ~16.5s to ~10s, restoring 637 of 661 pages from cache with the right cacheKey setup.