CSS Deep

tobiasahlin/SpinKit - A collection of loading indicators animated with CSS

mrkrupski/LESS-Dynamic-Stylesheet - A set of useful mixins for LESS, the CSS pre-processor: http://lesscss.org

dutchcoders/transfer.sh - Easy and fast file sharing from the command-line.

anime — JavaScript animation engine.

sadiqevani/data-animate - Its a data-* based animation selector, based on the following project for the animations https://github.com/daneden/animate.css

necolas/normalize.css - A collection of HTML element and attribute style-normalizations

jgthms/bulma - Modern CSS framework based on Flexbox

IanLunn/Hover - A collection of CSS3 powered hover effects to be applied to links, buttons, logos, SVG, featured images and so on. Easily apply to your own elements, modify or just use for inspiration. Available in CSS, Sass, and LESS.

twbs/ratchet - Build mobile apps with simple HTML, CSS, and JavaScript components.

h5bp/Effeckt.css - A Performant Transitions and Animations Library

you-dont-need/You-Dont-Need-JavaScript - CSS is powerful, you can do a lot of things without JS.

jessepollak/card - 💳 make your credit card form better in one line of code

ConnorAtherton/loaders.css - Delightful, performance-focused pure css loading animations.

connors/photon - The fastest way to build beautiful Electron apps using simple HTML and CSS

chinchang/hint.css - A CSS only tooltip library for your lovely websites.

primer/primer-css - The CSS framework that powers GitHub's front-end design.

joshuaclayton/blueprint-css - A CSS framework that aims to cut down on your CSS development time

lukehaas/css-loaders - A collection of loading spinners animated with CSS

picturepan2/spectre - Spectre.css - A lightweight, responsive and modern CSS framework.

basscss/basscss - Low-level CSS Toolkit

thoughtbot/neat - A lightweight and flexible Sass grid

erikflowers/weather-icons - 215 Weather Themed Icons and CSS

csswizardry/inuit.css - Powerful, scalable, Sass-based, BEM, OOCSS framework.

jonsuh/hamburgers - Tasty CSS-animated Hamburgers

BafS/Gutenberg - Modern framework to print the web correctly.

saeedalipoor/icono - One tag One icon, no font or svg, Pure CSS

kazzkiq/balloon.css - Simple tooltips made of pure CSS

elrumordelaluz/csshake - CSS classes to move your DOM!

HunterLarco/voxel.css - A lightweight 3D CSS voxel library.

blivesta/animsition - A simple and easy jQuery plugin for CSS animated page transitions.

suitcss/suit - Style tools for UI components

GumbyFramework/Gumby - A Flexible, Responsive CSS Framework - Powered by Sass

senchalabs/jQTouch - Create powerful mobile apps with just HTML, CSS, and Zepto.js (or jQuery).

pattle/simpsons-in-css - Simpsons characters in CSS

leemunroe/grunt-email-workflow - A Grunt workflow for designing and testing responsive HTML email templates with SCSS.

marvelapp/devices.css - Pure CSS phones and tablets

mdo/wtf-forms - Friendlier HTML form controls with a little CSS magic.

franciscop/picnic - 👜 A beautiful CSS library to kickstart your projects

humaan/Modaal - An accessible dialog window library for all humans.

dunovank/jupyter-themes - Custom Jupyter Notebook Themes

mobi-css/mobi.css - A lightweight, scalable, mobile-first CSS framework

cjcenizal/flexbox-patterns - Patterns for using flexbox CSS to build awesome UI components.

twitter/recess - A simple and attractive code quality tool for CSS built on top of LESS

ThrivingKings/animo.js - A powerful little tool for managing CSS animations

adamschwartz/magic-of-css - A CSS course to turn you into a magician.

Daemonite/material - Material Design for Bootstrap 4

wentin/cssicon - icon set made with pure css code, no dependencies, "grab and go" icons

egoist/hack - ⛷ Dead simple CSS framework.

LukyVj/family.scss - Family.scss is a set of Sass mixins which will help you to manage the style of :nth-child'ified elements, in an easy way.

StylishThemes/GitHub-Dark - :octocat: Dark GitHub style

webkul/coolhue - Coolest Gradient Hues and Swatches by UVdesk

ben-eb/cssnano - A modular minifier, built on top of the PostCSS ecosystem.

Chalarangelo/mini.css - A minimal, responsive, style-agnostic CSS framework!

t32k/stylestats - StyleStats is a library to collect CSS statistics.

kumailht/flakes - Flakes is an Admin Template Framework. A combination of CSS Libraries, JavaScript Libraries and Design files that help you build business tools very quickly.

daneden/Toast - 🍞 A highly-customizable, responsive (S)CSS grid

codrops/PageTransitions - A showcase collection of various page transition effects using CSS animations.

mdo/preboot - A collection of LESS mixins and variables for writing better CSS.

flatlogic/awesome-bootstrap-checkbox - Font Awesome Bootstrap Checkboxes & Radios. Pure css way to make inputs look prettier.

tylertate/semantic.gs - The Semantic CSS Grid

smcllns/css-social-buttons - Zocial button set with CSS. Entirely vector-based social buttons.

jaunesarmiento/fries - Fries helps you prototype Android apps using HTML, CSS, and JavaScript.

ganapativs/bttn.css - Awesome buttons for awesome projects!

thoughtbot/refills - Components and patterns built with Bourbon and Neat

pocketjoso/penthouse - Generate critical css for your urls

soulwire/Makisu - CSS 3D Dropdown Concept

kbrsh/wing - 💎 A beautiful CSS framework designed for minimalists.

rohitkrai03/pills - A simple responsive CSS Grid for humans. View Demo -

jasonlong/isometric-contributions - Browser extension for rendering an isometric pixel art version of your GitHub contribution graph.

claviska/shoelace-css - A back to the basics CSS starter kit.

csswizardry/csswizardry-grids - Simple, fluid, nestable, flexible, Sass-based, responsive grid system.

oxalorg/sakura - 🌸 a minimal css framework/theme.

tylerchilds/cutestrap - 8kb micro CSS framework

mdo/wtf-html-css - Common reasons your HTML and CSS may be fucked.

flexiblegs/flexiblegs-scss-plus - Flexible Grid System Scss Plus

christophery/pushy - Pushy is a responsive off-canvas navigation menu using CSS transforms & transitions

ubuwaits/css3-buttons - A collection of CSS3 buttons implemented in Sass.

ethantw/Han - 「漢字標準格式」印刷品般的漢字排版框架 Han.css: the CSS typography framework optimised for Hanzi.

wesbos/aprilFools.css - Harmlessly goof up your co-workers browser and chrome dev tools

mrcoles/markdown-css - CSS for making regular HTML look like plain-text markdown.

BlazeCSS/blaze - Open Source CSS Toolkit

chrisnager/ungrid - ungrid - the simplest responsive css grid

marmelab/universal.css - The only CSS you will ever need

mezzoblue/csszengarden.com - The source of csszengarden.com

Chalarangelo/mocka - Simple, elegant content placeholder

zavoloklom/material-design-iconic-font - Material Design Iconic Font and CSS toolkit

Martz90/vivify - Vivify is free CSS animation library.

lzxb/flex.css - flex.css is declarative layout which is compatible with wechat, UC, webview and other main-stream mobile browser and surpports react, vue, angular.

peduarte/wallop - A minimal JS library for showing & hiding things

mblode/marx - The classless CSS reset (perfect for Communists).

cheeaun/hackerweb - A simply readable Hacker News web app

ciar4n/imagehover.css - Pure CSS Image Hover Effect Library

mrmrs/pesticide - Kill your css layout bugs

devlint/gridlex - Just a CSS Flexbox Grid System

bwsewell/tablecloth - A CSS and JS bootstrap to style and manipulate data tables

benschwarz/gallery-css - CSS only Gallery

ppoffice/hexo-theme-icarus - The blog theme you may fall in love with, coming to Hexo.

DennisSnijder/MakeGithubGreatAgain - Extension for making GitHub great again

matthewhartman/base - Base - A Rock Solid, Responsive CSS Framework built to work on all devices big, small and in-between.

itmeo/webgradients - A curated collection of splendid gradients made in CSS3, .sketch and .PSD formats.

parkerbennett/stackicons - Icon font and Sass-based construction kit for Stackicons-Social, which supports multiple button shapes and a unique "multi-color" option in CSS for over 60 social brands.

flukeout/css-diner - CSS Diner

ConciseCSS/concise.css - A CSS framework that's lightweight and easy-to-use. Give up the bloat. Stop tripping over your classes. Be Concise.

jgthms/minireset.css - A tiny modern CSS reset

adamdbradley/focal-point - A small set of CSS classnames to help keep images cropped on the focal point for responsive designs. Using only HTML/CSS, web authors can specify an image's focal point, which stays as the image's primary focus, while the image's available width changes on responsive webpages. Crop and re-size images depending on available width and let CSS to do all of the work, and without any JavaScript.

geddski/csstyle - MOVED TO https://github.com/csstyle/csstyle a modern approach for crafting beautifully maintainable stylesheets

yegor256/tacit - CSS Framework for Dummies, Without Classes

anselmh/object-fit - Polyfill (mostly IE) for CSS object-fit property to fill-in/fit-in images into containers.

raphaelfabeni/css-loader - Simple loaders for your web applications using only one div and pure CSS ❤️

filipelinhares/ress - 📄 A modern CSS reset

webkul/csspin - CSS Spinners and Loaders - Modular, Customizable and Single HTML Element Code for Pure CSS Loader and Spinner

IcaliaLabs/furatto - It's a flat, fast and powerful front-end framework for rapid web development.

nathansmith/adapt - Adapt.js serves CSS based on screen width.

adamsilver/maintainablecss.com - Write CSS without worrying that overzealous, pre-existing styles will cause problems. MaintainableCSS is an approach to writing modular, scalable and of course, maintainable CSS.

richleland/pygments-css - css files created from pygment's built-in styles

falnatsheh/MarkdownView - MarkdownView is an Android webview with the capablity of loading Markdown text or file and display it as HTML, it uses MarkdownJ and extends Android webview.

delight-im/HTML-Sheets-of-Paper - Word processor in your browser using HTML and CSS (for invoices, legal notices, etc.)

filamentgroup/select-css - Cross-browser styles for consistent select element styling

asciimoo/cssplot - Pure CSS charts

szynszyliszys/repaintless - Library for fast CSS Animations

anjlab/bootstrap-rails - Twitter Bootstrap CSS (with Sass flavour) and JS toolkits for Rails 3 projects

laurenwaller/cssco - Photographic filters made with CSS, inspired by VSCO and CSSgram

jlong/css-spinners - Simple CSS spinners and throbbers made with CSS and minimal HTML markup.

sierra-library/sierra - Sierra SCSS micro library

josephfusco/angled-edges - 📐 Quickly create angled section edges using only Sass

redroot/holmes - Holmes is stand-alone diagnostic CSS stylesheet that can highlight potentially invalid or erroneous HTML(5) markup by adding one class

KyleAMathews/react-spinkit - A collection of loading indicators animated with CSS for React

jonikorpi/Less-Framework - An adaptive CSS grid system.

t0m/select2-bootstrap-css - simple css to make select2 widgets fit in with bootstrap

720kb/radiobox.css - 🔘 Tiny set of pure CSS animations for your radio inputs. https://720kb.github.io/radiobox.css/

arbelh/HalfStyle - Style Half of a Character by CSS

michenriksen/css3buttons - Simple CSS3 framework for creating GitHub-style buttons

contra/windows_98.css - some sick styles for your guestbook

cobyism/gridism - A simple responsive CSS grid.

andriussev/timelined - A customizable CSS-only vertical timeline

cardinalcss/cardinalcss - A modular, “mobile-first” CSS framework built with performance and scalability in mind.

ppoffice/hexo-theme-hueman - A redesign of Alx's wordpress theme hueman, ported to Hexo.

HubSpot/tooltip - CSS Tooltips built on Tether. #hubspot-open-source

W3cplus/SassMagic - Collection best of Sass mixins and function

adamschwartz/chrome-tabs - Chrome-style tabs in HTML/CSS.

iKreativ/Workless - Workless is a CSS base framework to get your projects up and running as quickly as possible.

StefanKovac/flex-layout-attribute - HTML layout helper based on CSS flexbox specification —

codrops/IconHoverEffects - A set of simple round icon hover effects with CSS transitions and animations for your inspiration.

arashmanteghi/simptip - A simple CSS tooltip made with Sass

Slicejack/bojler - Bojler is an email framework for developing responsive and lightweight email templates that will render correctly across each of the most popular email clients.

jh3y/whirl - pure css loading animations with minimal effort!

gromo/jquery.scrollbar - jQuery CSS Customizable Scrollbar

tlrobinson/evil.css - Because CSS isn't evil enough already.

ghosh/microtip - 💬 Modern, minimal, a11y enabled, ultra lightweight css tooltip library. Just 1kb.

necolas/css3-facebook-buttons - Simple CSS to recreate the appearance of Facebook's buttons and toolbars.

colourgarden/avalanche - Superclean, powerful, responsive, Sass-based, BEM-syntax CSS grid system

lucasgruwez/waffle-grid - An easy to use flexbox grid system.

LukyVj/colofilter.css - Colofilter.css - Duotone filters made with CSS !

kdzwinel/SnappySnippet - Chrome extension that allows easy extraction of CSS and HTML from selected element.

johnotander/furtive - A forward-thinking, lightweight, css microframework

tiaanduplessis/wenk - 😉 Lightweight pure CSS tooltip for the greater good

cmaddux/littlebox - Super simple to implement, CSS-only icons.

SaraSoueidan/navicon-transformicons - Demo for Navicon Transformicons: Animated Navigation Icons with CSS Transforms http://sarasoueidan.com/blog/navicon-transformicons/

codrops/OffCanvasMenuEffects - Some inspiration for off-canvas menu effects and styles using CSS transitions and SVG path animations.

thomaspark/pubcss - Format academic publications in HTML & CSS

WhatsNewSaes/Skeleton-Sass - The (un)official Sass Version of Skeleton (2.0.4): A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development

kogakure/gitweb-theme - An alternative theme for gitweb, strongly inspired by GitHub

crazychicken/t-scroll - A modern reveal-on-scroll library with useful options and animations. (Animate Elements On Reveal)

balzss/luxbar - 🍸 Featherweight, Responsive, CSS Only Navigation Bar

windyakin/Honoka - Honoka is one of the original Bootstrap theme.

callmenick/Animating-Hamburger-Icons - Animating CSS-only hamburger menu icons

danielcardoso/load-awesome - An awesome collection of — Pure CSS — Loaders and Spinners

buseca/patternbolt - A fine selection of SVG pattern background, packed in a single CSS or SCSS file. Add patterns just adding a class.

necolas/css3-social-signin-buttons - CSS3 Social Sign-in Buttons with icons. Small and large sizes.

mvcss/mvcss - Sass-based CSS Architecture

nitinhayaran/Justified.js - jQuery Plugin to create Justified Image Gallery

nagoshiashumari/Rpg-Awesome - A fantasy themed font and CSS toolkit.

geoffgraham/animate.scss - Sass mixins based on Dan Eden's Animate.css

matthieua/sass-css3-mixins - Sass CSS3 Mixins! The Cross-Browser CSS3 Sass Library

bjork24/Unison - Unifying named breakpoints across CSS, JS, and HTML

Stanko/skyblue - CSS framework (made with SASS)

mdo/table-grid - Simple CSS grid system using display: table;.

zachacole/Simple-Grid - A simple, lightweight CSS grid

ffoodd/a11y.css - This CSS file intends to warn developers about possible risks and mistakes that exist in HTML code. It can also be used to roughly evaluate a site's quality by simply including it as an external stylesheet.

picturepan2/devices.css - Modern devices in pure CSS

eliortabeka/tootik - A pure CSS/SCSS/LESS Tooltips library. Super easy to use, No JavaScript required.

premasagar/cleanslate - An extreme CSS reset stylesheet, for aggressively resetting the styling of an element and its children. Composed exclusively of CSS !important rules.

jamiewilson/corpus - Yet another CSS toolkit. Basically the stuff I use for most projects.

electerious/formbase - Better default styles for common input elements.

bryanbraun/after-dark-css - Recreating After Dark screensavers with CSS3.

TryKickoff/kickoff - 🏀 A lightweight front-end framework for creating scalable, responsive sites. Version 8 has just been released!

kennethormandy/utility-opentype - Simple, CSS utility classes for advanced typographic features.

danielguillan/bem-constructor - A Sass library for building immutable and namespaced BEM-style CSS objects

turretcss/turretcss - Turret is a styles and browser behaviour normalisation framework for rapid development of responsive and accessible websites.

robertpiira/ingrid - A fluid CSS layout system

tgdev/animate-sass - A Sassy version of Dan Eden's Animate.css

vladocar/Hartija---CSS-Print-Framework - Universal CSS for web printing

jkphl/iconizr - A PHP command line tool for converting SVG images to a set of CSS icons (SVG & PNG, single icons and / or CSS sprites) with support for image optimization and Sass output. Created by Joschi Kuphal (@jkphl), licensed under the terms of the MIT license

Axel--/Naut-for-reddit - A css theme for reddit.com

jgthms/wysiwyg.css - A tiny CSS for generated HTML or Markdown content

lepture/yue.css - A typography stylesheet for readable content

space150/spaceBase - A Sass-based responsive CSS framework.

elky/django-flat-theme - A flat theme for Django admin interface. Modern, fresh, simple.

codrops/SlitSlider - A responsive slideshow with a twist: the idea is to slice open the current slide when navigating to the next or previous one. Using jQuery and CSS animations we can create unique slide transitions for the content elements.

codrops/ClickEffects - A set of subtle effects for click or touch interactions inspired by the visualization of screen taps in mobile app showcases. The effects are done with CSS animations mostly on pseudo-elements.

csswizardry/csswizardry.github.com - My site.

leny/kouto-swiss - A complete CSS framework for Stylus

necolas/griddle - A CSS grid constructor

riccardoscalco/crayon - Crayon.css is a list of css variables linking color names to hex values.

rupl/unfold - Unfolding the Box Model — interactive slides exploring CSS 3D Transforms

lynnandtonic/a-single-div - CSS drawings with only one HTML element.

cognitom/paper-css - Paper CSS for happy printing

sparkbox/style-prototype - Example of an HTML/CSS style tile.

zalando/gulp-check-unused-css - A build tool for checking your HTML templates for unused CSS classes

cakebaker/scss-syntax.vim - Vim syntax file for scss (Sassy CSS)

darklow/social-share-kit - Library of decent and good looking CSS/JavaScript social sharing icons, buttons and popups

ecomfe/est - EFE Styling Toolkit based on Less

mrmrs/btns - A set of css utilities for constructing beautiful responsive buttons

ireade/formhack - A hackable css form reset

jayalai/fitgrd - .fitgrd is the lightweight & sexy looking responsive grid for your next awesome website.

tomgenoni/cssdig-chrome - Chrome extension for analyzing CSS.

jessekorzan/expodal - The Most Explosive Modal on The Web.

lvwzhen/iconpark - Collection of iconfonts

shakrmedia/tuesday - A quirky CSS Animation Library by Shakr

static-dev/axis - terse, modular & powerful css library

arnaudleray/pocketgrid - PocketGrid is a lightweight pure CSS grid system for Responsive Web Design. Moreover, it is semantic, mobile-first, and allows to have an unlimited number of columns and breakpoints.

kjhealy/pandoc-templates - Some elementary (xe)tex templates and css files for Pandoc.

sitetent/tentcss - 🌿 A CSS survival kit. Includes only the essentials to make camp.

lazarljubenovic/grassy - Build layout through ASCII art in Sass (and more). No pre-built CSS. No additional markup.

fractures/fractures - Baseline atomic CSS toolkit.

tholman/obnoxious.css - Animations for the strong of heart, and stupid of mind.

SLaks/Silon - Logic Gates and Adders in pure CSS

doximity/vital - Design Framework

brianmaierjr/long-haul - A minimal, type-focused Jekyll theme.

bokuweb/re-bulma - 💎 [experimental] Bulma components for React

chris-pearce/scally - Scally is a Sass-based, BEM, OOCSS, responsive-ready, CSS framework that provides you with a solid foundation for building reusable UI's quickly

Varin6/Hover-Buttons - Animated CSS/SCSS Buttons

mjonuschat/bootstrap-sass-rails - HTML, CSS, and JS toolkit from Twitter – Official Sass port:

jonathantneal/postcss-normalize - Use the parts of normalize.css you need from your browserlist

tylergaw/css-shaky-animation - Shits shakin' yo

railsware/applepie - Semantic and Modular CSS Toolkit

BlessCSS/bless - CSS Post-Processor

zhangxinxu/zxx.lib.css - a css library for quick layout, especially for flow layout

mirisuzanne/compass-animate - Compass port of Dan Eden's Animate.css

SaraSoueidan/css-shapes-layouts - Non-rectangular Layouts with CSS Shapes

Eiskis/layers-css - A lightweight, unobtrusive and style-agnostic, CSS framework aimed for practical use cases. Comes with a small footprint and zero bullshit.

nopr/sassdown - Generates styleguides from Markdown comments in CSS, SASS and LESS files using Handlebars

mac81/pure-drawer - Pure CSS transition effects for off-canvas views

dfcb/extra-strength-responsive-grids - A Fluid CSS Grid System for Responsive Web Design The Fluid CSS Grid System for Responsive Web Design. Take total control of your layouts.

yamlcss/yaml - YAML (Yet Another Multicolumn Layout) is a modular CSS framework for truly flexible, accessible and responsive websites. It is based on Sass and has a very slim framework core that weights only ~6kB.

newaeonweb/responsiveboilerplate - A lightweight (2kb) micro-library, elegant & minimalistic CSS3 grid system, made with only three main classes and 12 columns. It`s very easy to use and understand, pre-packed with some extra css helpers for mobile devices.

shankariyerr/tinyreset - Tiny CSS reset for the modern web

forsigner/magic-check - Beautify Radio and Checkbox with pure CSS.

GoalSmashers/css-minification-benchmark - A comparison of CSS minifiers for node.js

getpavilion/pavilion - Pavilion CSS Framework. A solid starting point without the bloat.

kjbrum/juice - Mixins for Life

niklausgerber/PreLoadMe - PreLoadMe, a lightweight jQuery website preloader.

yearofmoo/ngAnimate-animate.css - A driver module to make animate.css work with AngularJS 1.2

Heydon/REVENGE.CSS - A CSS bookmarklet that puts pink error boxes (with messages in comic sans) everywhere you write bad HTML.

WebDevStudios/wd_s - WebDevStudio's fork of Automattic's _s. Used as our starter theme.

kristerkari/normalize.scss - SCSS version of normalize.css

jpswalsh/academicons - An icon font for academics

at-import/jacket - Conditional Styles with Sass. Dress you CSS appropriately.

ovdojoey/Juiced - A Flexbox CSS Framework

siimple/siimple - Minimal CSS Framework for flat and clean designs.

pixelastic/css-flags - Flags of the world with only one div

vol7/shorthand - Shrthnd is a handy tool that converts CSS properties into shorthand, making shorter and more readable stylesheets.

argyleink/ragrid - Intrinsic first auto-layout flexbox grid

imbrianj/debugCSS - CSS to highlight potentially malformed, invalid or questionable markup.

mildrenben/surface - A Material Design CSS only framework