







Modern CSS features that replace Sass, PostCSS plugins and JavaScript hacks: nesting, :has(), container queries, subgrid and more, checked in September 2026.
Modern CSS snippets. Every old hack, replaced.
Side-by-side comparisons of outdated CSS techniques and their modern native replacements. Grid, custom properties, nesting, container queries, and more.

Modern CSS snippets. Every old hack, replaced.
Side-by-side comparisons of outdated CSS techniques and their modern native replacements. Grid, custom properties, nesting, container queries, and more.

Vanilla CSS is all you need
Campfire, Writebook, and Fizzy show that modern vanilla CSS can power serious apps without Sass, PostCSS, or a build step.
18 Best CSS Libraries/Frameworks for UI/UX Designs 2024
Here are the 25 best CSS libraries/frameworks for UI/UX designs which make your frontend development more easier and productive with custom features.

2026 CSS wishlist – Nathan Knowler
What I’d like to see prioritized for CSS in 2026, how those features will allow us to create better web-based design systems, and how they renew separation of concerns.
The CSS Selection - 2026 Edition - Project Wallace
The CSS Selection shows real-world CSS usage from over 100,000 websites and looks at the most important metrics.

Do we still need build tools?
Do we still need Rspack, SWC, PostCSS, Vite, Parcel, Webpack, Turbopack, esbuild, Rollup, Rolldown, Babel, Autoprefixer, esbuild and Lightning CSS in 2026?



CSS selectors - CSS | MDN
The CSS selectors module defines the patterns to select elements to which a set of CSS rules are then applied along with their specificity. The CSS selectors module provides us with more than 60 selectors and five combinators. Other modules provide additional pseudo-class selectors and pseudo-elements.

una.im | Modern CSS theming with light-dark(), contrast-color(), and style queries
Combine three new CSS features to build fully adaptive themed components.

Stop Treating CSS Container Queries Like Traditional Media Queries — Smashing Magazine
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

Styling Tables the Modern CSS Way
Modern CSS makes styling HTML tables in a considered, responsive nature a breeze. Michelle Barker breaks it all down for you in this deep dive.
schalkneethling/css-benchpress
css-benchpress aims to help developers and tooling authors discover where CSS patterns become performance problems by growing realistic web-platform test cases until measurable regressions appear.
Tailwind CSS is the worst…
Open Props UI | A modern CSS UI library
CSS UI library leveraging the most modern features. Components you can copy and paste into your project.
