Desert Racer: World's First CSS-Only Swipe-Aware Game! Philip Warkentien II created a CSS-only, no JS, no checkbox, swipe-aware (scroll-aware) game. In this article, you’ll learn exactly how it was built. Read more An Interactive Guide to CSS Container Queries Ahmad Shadeed shares an interactive guide to container queries, explaining the problems they solve, how they work, and how you can use them today in your workflows. Read more From Our Sponsor WorkOS: modern auth for B2B SaaS apps WorkOS supports both the foundational auth as well as more complex enterprise features like single sign ..read more

A highly configurable switch component using modern CSS techniques Andy Bell shows how to build a highly configurable switch component using modern CSS, such as :has(), container queries, Logical Properties, and Custom Properties. (The native switch component is coming to browsers sometime in the future. I demonstrate how native CSS switch works in this quick tip.) Read more Learn These Viewport-Relative CSS Units (100vh, 100dvh, 100lvh, 100svh) George Martsoukos covers the challenges of working with the classic 100vh unit to make full-screen sections and discusses some alternative CSS unit ..read more

A Global Design System Brad Frost outlines an idea for a Global Design System to provide the world’s web designers & developers with a library of common UI components. Read more The Quiet, Pervasive Devaluation of Frontend Josh Collinsworth examines the perceived devaluation of front-end development work. Read more From Our Sponsor The only auth stack you need to sell to enterprise customers. WorkOS provides easy-to-use APIs for your foundational auth as well as complex features like SSO and SCIM provisioning. It’s a drop-in replacement for Auth0 and supports up to 1 million monthly ..read more

Proposal: CSS Variable Groups Lea Verou outlines the idea for CSS Variable Groups, a way to define multiple properties under the same namespace and pass the entire group around, addressing several pain points around design tokens, design systems, and integrating third-party components. Read more Modern CSS Tooltips and Speech Bubbles Temani Afif presents modern techniques to create tooltips with the smallest amount of markup and the greatest amount of flexibility. Read more From Our Sponsor A newsletter helping engineers flex their product muscles Product for Engineers is PostHog’s ..read more

CSS :has() Interactive Guide Ahmad Shadeed created an extensive guide to :has() selector. Read more CSS Foundations: What is IACVT? Bramus Van Damme explains everything you need to know about “Invalid At Computed Value Time,” or IACVT for short. Read more From Our Sponsor The Modern Identity Platform for B2B SaaS WorkOS provides easy-to-use APIs for auth, user identity, and complex enterprise features like SSO and SCIM provisioning. It’s a drop-in replacement for Auth0 and supports up to 1 million monthly active users for free. Join Vercel, Webflow, Loom, and hundreds of other scale-ups ..read more

A Practical Guide to Using Shadow DOM Mayank covers the what, the why, and the how of using shadow DOM today. Read more Okay, Color Spaces Eric Portis explains everything you need to know about color spaces. Read more From Our Sponsor Tired of unclear bug reports? Marker.io helps you understand the context of every bug report you get with URLs, screenshots, browser environment info, session replay, and much more. Stop struggling when reproducing bugs—you’ll understand exactly what the problem is, and go from “To Do” to “Resolved” 10x faster. Try it now for free → CS ..read more

▶ Is `* { min-width: 0; }` a good idea? Kevin Powell outlines why using * { min-width: 0; } might not be a good idea while explaining in detail how flexbox sizing works and why. Watch video How To Center a Div Joshua Comeau created a fantastic, in-depth guide on centering in CSS. Read more From Our Sponsor A newsletter helping engineers flex their product muscles Product for Engineers is PostHog’s newsletter dedicated to helping engineers improve their product skills. Subscribe for free to get curated advice on building great products, lessons (and mistakes) from building PostH ..read more

Highlight Text When a User Scrolls Down to That Piece of Text Chris Coyier shows how to highlight a line of text once you scroll to it using only CSS.  Read more Getting Into Web Components – An Intro Brecht De Ruyte covers the basics of web components. Read more From Our Sponsor Tired of unclear bug reports? Marker.io adds context to every bug report with URL, screenshots, environment info, session replay, and much more. Go from “To Do” to “Resolved” 10x faster. Try it now → CSS Weekly on YouTube ▶ VS Code Tips — Custom Folding Ranges #vscode A short guide on creating Manua ..read more

Building Out a Layered Hero Grid Layout From Dribbble Andy Bell shows how to create an interesting grid layout with a unique background image treatment. Read more CSS Blurry Shimmer Effect Yair Even Or explains how to create a blurring effect in place of a shadow using a combination of masks, gradients, and the backdrop-filter property. Read more From Our Sponsor The future of intelligent composable content Contentful brings intelligent digital experiences to life. With generative AI and composable content, the possibilities are as limitless as your team’s creativity. Get Started CSS W ..read more

12 Modern CSS One-Line Upgrades Stephanie Eckles shares a number of handy CSS properties to start incorporating into your projects to reduce technical debt, remove JavaScript, and score easy wins for user experience. Read more Making CSS View Transitions Easy with Velvette Noam Rosenthal demonstrates how to implement smooth CSS view-transitions effortlessly with the Velvette library. Read more From Our Sponsor Get *actually helpful* bug reports Tired of unclear bug reports? Try Marker.io and collect website issues with screenshots, console logs, and session replay. Try it now → What Ha ..read more