A curated list of all awesome things regarding modern web development

Awesome CSS

/ A curated list of awesome frameworks, style guides, and other cool nuggets for writing amazing CSS. /

Introduction

Motivation

This document is a curated list of frameworks, style guides, and cool nuggets of information for writing awesome CSS. It does not contain resources to learn CSS.

Complementary Resources

If you're struggling with something CSS-related, look for answers within the following resources:

Table of Contents

[Awesome CSS

CSS Working Group

The CSS Working Group creates and defines CSS specifications. These specifications are assigned maturity levels as they move through the design process. If you would like to learn more, visit CSS Working Group Page.

Editor's Draft :black_nib:

Editor's drafts of CSS specifications

w3c/csswg-drafts - Mirror of CSS WG Editor Draft repository.
w3c/css-houdini-drafts - Mirror of Houdini WG Editor repository.

Parsers :mag:

CSSOM - CSS Object Model implemented in pure JavaScript.
CSSTree - Detailed CSS parser with syntax validator.
Gonzales PE - CSS parser with support for preprocessors.
mensch - A decent CSS parser.
ParserLib - CSSLint/parser-lib.
PostCSS - Transforming styles with JS plugins.
Rework - Plugin framework for CSS preprocessing in Node.js.
Stylecow - Modern CSS for all browsers.

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Preprocessors :pill:

Write CSS faster

LESS - Backwards compatible with CSS, and the extra features it adds use existing CSS syntax.
PostCSS - Transforming CSS with JS plugins.
Sass - Mature, stable, and powerful professional-grade CSS extension language.
STYLIS - Light-weight CSS preprocessor.
Stylus - Expressive, robust, feature-rich CSS language built for NodeJs.

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Frameworks :art:

awsm.css - Simple CSS library for semantic HTML markup.
Bonsai - A complete Utility First CSS Framework for less than 50kb.
Bootstrap - The most popular HTML, CSS, and JS framework.
Bulma - A modern CSS framework based on Flexbox. Also has Sass import for modification.
Butter Cake - A Modern Lightweight Front End CSS framework for faster and easier web development.
Chota - A responsive, customizable micro-framework (3kb) with helpful utilities and a grid system.
Cirrus - A fully responsive and comprehensive CSS framework with beautiful controls and simplistic structure.
eFrolic - CSS framework which without using JavaScript is interactive and animated.
Foundation - advanced responsive front-end framework.
Gralig - A modest, grayish CSS library.
Halfmoon - A responsive front-end framework with a built-in dark mode.
Hasser CSS - A lightweight (12k, not minified) but useful CSS framework with flexible Grid, Hero and more.
inuit.css - Powerful, scalable, Sass-based, BEM, OOCSS framework.
material-components-web - Modular and customizable Material Design UI components for the web.
Materialize - A modern responsive front-end framework based on Material Design.
Milligram - A minimalist CSS framework.
Numl - An HTML-based language and design system that lets you create responsive and accessible high-quality web interfaces with any look.
Pure.css - A set of small, responsive CSS modules that you can use in every web project.
Semantic UI - Powerful framework that uses human-friendly HTML.
Shorthand Framework - Feature rich CSS framework for the new decade.
Spectre.css - A lightweight, responsive and modern CSS framework.
Strawberry - A set of common flexbox utilities focused on making your life easier and faster with nested flexboxes.
Tachyons - Functional CSS for humans.
Tacit - CSS framework for dummies with zero skills in graphic design.
tailwindcss - A utility-first CSS framework for rapid UI development.
UIkit - A lightweight and modular front-end framework.
unsemantic - Fluid grid for mobile, tablet, and desktop.
Wing - A Minimal, Lightweight, Responsive framework.

You can find more frameworks at "awesome-css-frameworks"

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Toolkits :wrench:

Bourbon - A simple and lightweight mixin library for Sass.
Susy - Responsive layout toolkit for Sass.

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CSS Structure

RSCSS - Reasonable Standard for CSS Stylesheet Structure.
ITCSS - A sane, scalable, managed CSS architecture for large UI projects.

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Reset and Normalize

Normalize - A set of CSS rules that provide better cross-browser consistency in the default styling of HTML elements.
Normalize-OpenType - Adds OpenType features—ligatures, kerning, and more—to Normalize.css.
MiniReset.css - A tiny modern CSS reset.
sanitize.css - A set of CSS rules that style with today’s best practices out-of-the-box.
unstyle.css - Specialised stylesheet for removing user agent styles, style the web with your baseline.
reset.css - CSS Tools: Reset CSS.

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CSS Development at Large-Scale Websites

Bugsnag's CSS Architecture by Max Luster
CSS at BBC Sport by Shaun Bent
CSS AT HOOTSUITE by Steve Mynett
GitHub's CSS by Mark Otto
How we do CSS at Ghost by Paul Davis
Lonely Planet by Ian Feather
Medium’s CSS is actually pretty good. by Jacob Thornton
scalable-css-reading-list
Refining The Way We Structure Our CSS At Trello by Bobby Grace

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Code Style Guidelines :book:

idiomatic CSS by Nicolas Gallagher
CSS Styleguide by Guilherme Rv Coelho
CSS Guidelines by Harry Roberts
Sass Guidelines by Hugo Giraudel
Code Guide by Mark Otto
ThinkUp CSS Style Guide by ThinkUp
Google HTML/CSS Style Guide by Google
WordPress CSS Coding Standards by WorldPress

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Style Guide

AUI by Atlassian Design
Design Elements by lonely planet
Dropbox (S)CSS Style Guide by Dropbox
Fluent UI by Microsoft
GitHub CSS Style Guide by Github
Official Trello CSS Guide by Bobby Grace
Solid by BuzzFeed
Patterns by MailChimp
Lighting Design System by Salesforce
SASS Style Guide by Sass team
Style Guide by Starbucks
Website Style Guide Resources by Awesome people

View more style guides at Website Style Guide Resources

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Style Guide Generators :slot_machine:

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Naming conventions & Methodologies :bulb:

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CSS in JS

Here is a CSS in JS techniques comparison

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CSS Polyfills

polyfill.js - A library to make creating CSS polyfills much easier.
prefixfree - Break free from CSS prefix hell.
fixed-sticky - A CSS position:sticky polyfill.
selectivizr - A JavaScript utility that emulates CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8.
PIE - Allows Internet Explorer to recognize and render various CSS3 box decoration properties.

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Miscellaneous

Single Div Project - One <div>. Many possibilities.
Can I use - Browser support for CSS, HTML5 and other front-end web technologies.
Live editor for CSS and LESS - Magic CSS extension for Chrome, Firefox and Edge.
You Might Not Need JS - CSS alternatives for common JS UI components.
RevengeCSS - A CSS bookmarklet that uses selectors to find bad markup, displaying ugly pink error messages in comic sans serif wherever you write bad HTML

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Podcasts :radio:

Something to listen to while programming.

CSS Podcast - Una Kravets and Adam Argyle, Developer Advocates from Google, gleefully breakdown complex aspects of CSS into digestible episodes covering everything from accessibility to z-index.
Shop Talk Show - A live podcast with Chris Coyier and Dave Rupert about front-end web design, development, and UX.
Style Guide Podcast - A small batch series of interviews on style guides, hosted by Anna Debenham and Brad Frost.
The Big Web Show - Topics like web publishing, art direction, content strategy, typography, web technology, and more. It's everything web that matters.
The Web Ahead - Conversations with world experts on changing technologies and future of the web.
Non Breaking Space Show - Seeking out the best, brightest, and smartest creative people on digital art, design, and development.
The Changelog - The tagline for the Changelog says it all: “Open Source moves fast. Keep up.” This podcast, and the accompanying blog, is all about keeping you updated with the latest in Open Source Technology.
Syntax - A Tasty Treats Podcast for Web Developers.

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Twitter :satellite:

Active accounts to follow.

CSS Animation
Andrey Sitnik - Author of @Autoprefixer, http://easings.net and @PostCSS.
Evangelina Ferreira - Web Designer. Professor at @multimedial_utn HTML5 & CSS Freak. Ocassional Translator.
Sara Soueidan - Author of the @Codrops CSS Reference & Co-author of the Smashing Book #5.
Hugo Giraudel - CSS goblin & Sass hacker at @edenspiekermann.
Guy Routledge - Front-end dev, Teacher @GA_London, Screencaster at http://www.atozcss.com, property snob, Foodie.
Heydon Pickering - Moderate consumer of rice. Also a UX designer, author, @smashingmag editor and programmer.
Adam Morse - Advocate for users and open-source.
Donovan Hutchinson - Designer, developer, writer. Occasionally blogs at http://Hop.ie, and currently building @cssanimation.
CSS Commits - Latest commits to @CSSWG’s public Mercurial repository.
Scott Jehl - Author of @responsiblerwd, now on sale from @abookapart.
Dudley Storey - Web development writer, teacher, and speaker.
Zoe M. Gillenwater - Web designer/developer specializing in CSS, RWD, UX, & accessibility.
Ben Briggs - Final year web technologies student. node.js, javascript, open source modules, client side optimisation, web performance.
Paul Lewis - Googler who noodles with code and design.
Nicolas Gallagher - Software Engineer at @twitter.
Harry Roberts- Consultant Front-end Architect: @google, @Etsy, @kickstarter, @BBC, @Deloitte, @FT, more.
Phil Walton - Engineer at Google • Open Source Advocate • Developer • Designer • Writer.
Lea Verou - Research Assistant @MIT_CSAIL, @CSSWG IE, @OReillyMedia author, Ex @W3C staff.
Manoela Ilic - ...aka Mary Lou @codrops ༶ CSS & HTML are my crayons ༶ Interested in Cognitive Science, AI, HCI, UI Design & Astrophysics ༶ Digital nomad.
Una Kravets - Front-end @IBMDesign. Sassvocate, community builder, & handcrafter. STEMinist :) Open source all the things.
Chris Coyier - Designer @CodePen. Writer @Real_CSS_Tricks.
Nicole Sullivan - GEEK.
Eric Bidelman - Engineer at Google working on Chrome, web components, and Polymer.
Patrick Hamann - Lover of mountains, craft beers and discovering new food.
Dave McFarland - Web developer, author of CSS: The Missing Manual, JavaScript & jQuery.
L. David Baron - Mozilla developer, CSS and W3C standards diplomat.
Daniel Glazman - W3C CSS Working Group Co-chairman, entrepreneur, software engineer, geek, father of two, polyglot, duck lover. Nah. Tweets are strictly mine.
The Chris Eppstein - Loves love. Hates hate. Has a kick-ass family. Writes code. Leads stylesheet tech @LinkedIn.
앗킨스 탭 - Literally Jenn Schiffer's Mom.
Natalie Weizenbaum - Trans coder lady. Lead designer/developer of @SassCSS, working for @google on @dart_lang.
Brad Frost - Web designer, speaker, writer, consultant, musician.
Maxime Thirouin - Freelance front-end vigilante, UI/UX developer.
Mark Otto - GitHub and Bootstrap. Formerly at Twitter. Huge nerd.
Simon - UI designer, CSS doodler.
Connor Sears - Designer at GitHub.
Remy Sharp - All about CSS sizing units.
Jonathan Snook - Designer, Developer, Writer, Speaker. I make stuff on the web. I wrote SMACSS.
Rachel Andrew - Web Developer, half of @grabaperch CMS, CSS Working Group Invited Expert.

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Videos :tv:

*Good study videos from CSS Must Watch Videos. Some items are quoted from AllThingsSmitty/must-watch-css.

I told him on Twitter. I appreciate his valuable efforts.*

2019

Next-Generation Web Styling - Una Kravets & Adam Argyle @ Chrome Dev Summit 2019.

2016

Component-Based Style Reuse :page_facing_up: transcript :watch: 37:24 - Pete Hunt @ CSS conf 2016.
CSS4 Grid: True Layout Finally Arrives :page_facing_up: transcript :watch: 29:27 - Jen Kramer @ CSS conf 2016.
Houdini: Demystifying the Future of CSS :watch: 36:58 @ Google I/O 2016.

2015

mdo-ular CSS :watch: 30:06 - Mark Otto @ jQuery UK.
CSS Architecture with SMACSS :watch: 30:15 - Caleb Meredith @ DevTips channel.
CSS Workflow from the Ground Up :watch: 46:06 - Jonathan Snook @ Generate conf 2015.

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Books :books:

CSS Secrets – Better Solutions to Everyday Web Design Problems
CSS: The Missing Manual – Really Helpful in Advancing your Design Skills to a whole new Level
CSS: The Definitive Guide, 4th Edition - Visual Presentation for the Web
Every Layout: Relearn CSS Layout – Solving responsive layout problems using algorithmic design.

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Tutorials :clapper:

CSS Diner – Interactive gamified tutorial for learning selection with CSS.
CSS Grid PlayGround - Simple tutorial to learn CSS Grid from Mozilla.
Work With Animations - Inspecting animations.
Community Curated CSS Resources - Top Recommended Resources.
30 Seconds of CSS - A curated collection of useful CSS snippets you can understand in 30 seconds or less.
Organize CSS with a Modular Architecture: OOCSS, BEM, SMACSS - In-depth intro to OOCSS, BEM, SMACSS, with examples.
Flexbox video tutorial - Free video course by Wes Bos to learn flexbox.
CSS Grids videos tutorial - Free video course by Wes Bos to learn CSS Grids.

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Maintainers

@sotayamashita, @Rishabh04-02 and You!

Contribute

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