🇺🇸 Made in United States

Discover United States's Leading Open Source Projects: Explore top-notch open source initiatives hailing from the vibrant tech community of United States.

TOP CSS Projects

1
necolas/normalize.css

necolas/normalize.css

A modern alternative to CSS resets
CSS
51,663
star
2
ryanoasis/nerd-fonts

ryanoasis/nerd-fonts

Iconic font aggregator, collection, & patcher. 3,600+ icons, 50+ patched fonts: Hack, Source Code Pro, more. Glyph collections: Font Awesome, Material Design Icons, Octicons, & more
CSS
51,446
star
3
bradtraversy/50projects50days

bradtraversy/50projects50days

50+ mini web projects using HTML, CSS & JS
CSS
33,285
star
4
adobe-fonts/source-code-pro

adobe-fonts/source-code-pro

Monospaced font family for user interface and coding environments
CSS
19,648
star
5
dhg/Skeleton

dhg/Skeleton

Skeleton: A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development
CSS
18,891
star
6
twbs/ratchet

twbs/ratchet

Build mobile apps with simple HTML, CSS, and JavaScript components.
CSS
14,583
star
7
philipwalton/solved-by-flexbox

philipwalton/solved-by-flexbox

A showcase of problems once hard or impossible to solve with CSS alone, now made trivially easy with Flexbox.
CSS
13,017
star
8
Automattic/_s

Automattic/_s

Hi. I'm a starter theme called _s, or underscores, if you like. I'm a theme meant for hacking so don't use me as a Parent Theme. Instead try turning me into the next, most awesome, WordPress theme out there. That's what I'm here for.
CSS
10,849
star
9
connors/photon

connors/photon

The fastest way to build beautiful Electron apps using simple HTML and CSS
CSS
9,982
star
10
dunovank/jupyter-themes

dunovank/jupyter-themes

Custom Jupyter Notebook Themes
CSS
9,643
star
11
IBM/plex

IBM/plex

The package of IBM’s typeface, IBM Plex.
CSS
9,297
star
12
codeguy/php-the-right-way

codeguy/php-the-right-way

An easy-to-read, quick reference for PHP best practices, accepted coding standards, and links to authoritative tutorials around the Web
CSS
8,959
star
13
devicons/devicon

devicons/devicon

Set of icons representing programming languages, designing & development tools
CSS
8,952
star
14
HubSpot/offline

HubSpot/offline

Automatically display online/offline indication to your users
CSS
8,679
star
15
jdan/98.css

jdan/98.css

A design system for building faithful recreations of old UIs
CSS
8,623
star
16
kognise/water.css

kognise/water.css

A drop-in collection of CSS styles to make simple websites just a little nicer
CSS
8,137
star
17
barryclark/jekyll-now

barryclark/jekyll-now

Build a Jekyll blog in minutes, without touching the command line.
CSS
8,113
star
18
cyanharlow/purecss-francine

cyanharlow/purecss-francine

HTML/CSS drawing in the style of an 18th-century oil painting. Hand-coded entirely in HTML & CSS.
CSS
7,738
star
19
ai/easings.net

ai/easings.net

Easing Functions Cheat Sheet
CSS
7,459
star
20
drgullin/icheck

drgullin/icheck

Highly customizable checkboxes and radio buttons (jQuery & Zepto)
CSS
7,399
star
21
HubSpot/odometer

HubSpot/odometer

Smoothly transitions numbers with ease. #hubspot-open-source
CSS
7,259
star
22
spring-projects/spring-petclinic

spring-projects/spring-petclinic

A sample Spring-based application
CSS
7,090
star
23
HubSpot/vex

HubSpot/vex

A modern dialog library which is highly configurable and easy to style. #hubspot-open-source
CSS
6,932
star
24
erikflowers/weather-icons

erikflowers/weather-icons

215 Weather Themed Icons and CSS
CSS
6,855
star
25
adamschwartz/magic-of-css

adamschwartz/magic-of-css

A CSS course to turn you into a magician.
CSS
6,556
star
26
thewhiteh4t/seeker

thewhiteh4t/seeker

Accurately Locate Smartphones using Social Engineering
CSS
6,105
star
27
Wei-Xia/most-frequent-technology-english-words

Wei-Xia/most-frequent-technology-english-words

程序员工作中常见的英语词汇
CSS
5,409
star
28
joshuaclayton/blueprint-css

joshuaclayton/blueprint-css

A CSS framework that aims to cut down on your CSS development time
CSS
5,335
star
29
rmusser01/Infosec_Reference

rmusser01/Infosec_Reference

An Information Security Reference That Doesn't Suck; https://rmusser.net/git/admin-2/Infosec_Reference for non-MS Git hosted version.
CSS
5,127
star
30
mozilla/Fira

mozilla/Fira

Mozilla's new typeface, used in Firefox OS
CSS
4,920
star
31
john-smilga/react-projects

john-smilga/react-projects

CSS
4,665
star
32
miguel-perez/smoothState.js

miguel-perez/smoothState.js

Unobtrusive page transitions with jQuery.
CSS
4,450
star
33
strues/retinajs

strues/retinajs

JavaScript, SCSS, Sass, Less, and Stylus helpers for rendering high-resolution image variants
CSS
4,431
star
34
assemble/assemble

assemble/assemble

Get the rocks out of your socks! Assemble makes you fast at web development! Used by thousands of projects for rapid prototyping, themes, scaffolds, boilerplates, e-books, UI components, API documentation, blogs, building websites/static site generator, an alternative to Jekyll for gh-pages and more! Gulp- and grunt-friendly.
CSS
4,222
star
35
iblh/hexo-theme-material

iblh/hexo-theme-material

Material Design theme for hexo.
CSS
4,033
star
36
nathansmith/960-Grid-System

nathansmith/960-Grid-System

The 960 Grid System is an effort to streamline web development workflow.
CSS
3,966
star
37
sahat/megaboilerplate

sahat/megaboilerplate

Handcrafted starter projects, optimized for simplicity and ease of use.
CSS
3,829
star
38
anmoljagetia/Flatabulous

anmoljagetia/Flatabulous

This is a Flat theme for Ubuntu and other Gnome based Linux Systems.
CSS
3,673
star
39
poole/hyde

poole/hyde

A brazen two-column theme for Jekyll.
CSS
3,603
star
40
iconic/open-iconic

iconic/open-iconic

An open source icon set with 223 marks in SVG, webfont and raster formats
CSS
3,543
star
41
BNDong/Cnblogs-Theme-SimpleMemory

BNDong/Cnblogs-Theme-SimpleMemory

🍭 Cnblogs theme _ Basic theme : SimpleMemory
CSS
3,541
star
42
jxnblk/loading

jxnblk/loading

This could take a while
CSS
3,531
star
43
adobe-fonts/source-sans

adobe-fonts/source-sans

Sans serif font family for user interface environments
CSS
3,413
star
44
heathermiller/dist-prog-book

heathermiller/dist-prog-book

CSS
3,407
star
45
twbs/rfs

twbs/rfs

✩ Automates responsive resizing ✩
CSS
3,285
star
46
john-smilga/javascript-basic-projects

john-smilga/javascript-basic-projects

CSS
3,263
star
47
toland/qlmarkdown

toland/qlmarkdown

QuickLook generator for Markdown files.
CSS
3,218
star
48
poole/lanyon

poole/lanyon

A content-first, sliding sidebar theme for Jekyll.
CSS
3,198
star
49
maxchehab/CSS-Keylogging

maxchehab/CSS-Keylogging

Chrome extension and Express server that exploits keylogging abilities of CSS.
CSS
3,190
star
50
wentin/cssicon

wentin/cssicon

icon set made with pure css code, no dependencies, "grab and go" icons
CSS
3,158
star
51
understrap/understrap

understrap/understrap

Underscores + Bootstrap = Understrap, the renowned open-source WordPress starter theme.
CSS
3,006
star
52
mojotech/jeet

mojotech/jeet

The most advanced, yet intuitive, grid system available for Sass or Stylus
CSS
2,987
star
53
zachfitz/Ionic-Material

zachfitz/Ionic-Material

Material Design style and animations for Ionic
CSS
2,908
star
54
GumbyFramework/Gumby

GumbyFramework/Gumby

A Flexible, Responsive CSS Framework - Powered by Sass
CSS
2,858
star
55
poole/poole

poole/poole

The Jekyll Butler. A no frills responsive Jekyll blog theme.
CSS
2,810
star
56
senchalabs/jQTouch

senchalabs/jQTouch

Create powerful mobile apps with just HTML, CSS, and Zepto.js (or jQuery).
CSS
2,792
star
57
AlexTatiyants/pev

AlexTatiyants/pev

Postgres Explain Visualizer
CSS
2,735
star
58
odewahn/docker-jumpstart

odewahn/docker-jumpstart

A quick introduction to Docker
CSS
2,698
star
59
mdo/wtf-forms

mdo/wtf-forms

Friendlier HTML form controls with a little CSS magic.
CSS
2,693
star
60
KyleAMathews/typefaces

KyleAMathews/typefaces

NPM packages for Open Source typefaces
CSS
2,603
star
61
cloudflare/cloudflare-docs

cloudflare/cloudflare-docs

Cloudflare’s documentation
CSS
2,583
star
62
cjcenizal/flexbox-patterns

cjcenizal/flexbox-patterns

Patterns for using flexbox CSS to build awesome UI components.
CSS
2,480
star
63
rekihattori/awesome-programmers

rekihattori/awesome-programmers

A list of history's greatest software engineers and tech pioneers
CSS
2,440
star
64
ProgrammingFonts/ProgrammingFonts

ProgrammingFonts/ProgrammingFonts

This is a collection of programming fonts, just share this with the programmers. Now there are 108 kinds of fantastic fonts!
CSS
2,395
star
65
rickyrauch/Balloons.IO

rickyrauch/Balloons.IO

Balloons.IO is a web multi-room chat server and client ready to use. It’s built with the help of node.JS, Express, Socket.IO and Redis. Balloons uses PassportJS for authentication with Twitter and Facebook
CSS
2,369
star
66
HubSpot/drop

HubSpot/drop

A library for creating dropdowns and other floating elements. #hubspot-open-source
CSS
2,360
star
67
TIBCOSoftware/flogo

TIBCOSoftware/flogo

Project Flogo is an open source ecosystem of opinionated event-driven capabilities to simplify building efficient & modern serverless functions, microservices & edge apps.
CSS
2,339
star
68
murtaugh/HTML5-Reset

murtaugh/HTML5-Reset

A simple set of best practices to get HTML5 projects off on the right foot.
CSS
2,327
star
69
IBM/css-gridish

IBM/css-gridish

Automatically build your grid design’s CSS Grid code, CSS Flexbox fallback code, Sketch artboards, and Chrome extension.
CSS
2,253
star
70
sakofchit/system.css

sakofchit/system.css

A design system for building retro Apple interfaces
CSS
2,217
star
71
zenorocha/browser-diet

zenorocha/browser-diet

🍟 The definitive front-end performance guide
CSS
2,209
star
72
orderedlist/minimal

orderedlist/minimal

A Theme for GitHub Pages
CSS
2,205
star
73
twitter-archive/recess

twitter-archive/recess

A simple and attractive code quality tool for CSS built on top of LESS
CSS
2,190
star
74
Screenly/Anthias

Screenly/Anthias

The world's most popular open source digital signage project.
CSS
2,183
star
75
jensimmons/cssremedy

jensimmons/cssremedy

Start your project with a remedy for the technical debt of CSS.
CSS
2,157
star
76
LukeSmithxyz/based.cooking

LukeSmithxyz/based.cooking

A simple culinary website.
CSS
2,148
star
77
adobe-fonts/source-serif

adobe-fonts/source-serif

Typeface for setting text in many sizes, weights, and languages. Designed to complement Source Sans.
CSS
2,133
star
78
5t3ph/stylestage

5t3ph/stylestage

A modern CSS showcase styled by community contributions. Add your stylesheet!
CSS
2,077
star
79
adamzap/landslide

adamzap/landslide

Generate HTML5 slideshows from markdown, ReST, or textile
CSS
2,066
star
80
wavded/humane-js

wavded/humane-js

A simple, modern, browser notification system
CSS
2,061
star
81
thoughtworks/build-your-own-radar

thoughtworks/build-your-own-radar

A library that generates an interactive radar, inspired by https://thoughtworks.com/radar/.
CSS
2,061
star
82
dovy/elusive-iconfont

dovy/elusive-iconfont

Open-Source Iconfont.
CSS
2,058
star
83
kbrsh/wing

kbrsh/wing

💎 A beautiful CSS framework designed for minimalists.
CSS
2,012
star
84
ajusa/lit

ajusa/lit

World's smallest responsive 🔥 css framework (395 bytes)
CSS
1,992
star
85
jamiewilson/predawn

jamiewilson/predawn

Predawn is a dark interface and syntax theme for Sublime Text and Atom.
CSS
1,803
star
86
argyleink/transition.css

argyleink/transition.css

:octocat: Drop-in CSS transitions
CSS
1,768
star
87
widget-/slack-black-theme

widget-/slack-black-theme

A darker, more contrasty, Slack theme.
CSS
1,748
star
88
smcllns/css-social-buttons

smcllns/css-social-buttons

Zocial: CSS login and social buttons
CSS
1,687
star
89
mdo/preboot

mdo/preboot

A collection of LESS mixins and variables for writing better CSS.
CSS
1,682
star
90
ng-book/angular2-rxjs-chat

ng-book/angular2-rxjs-chat

Example Chat Application using RxJS and Angular 2
CSS
1,673
star
91
kilianc/rtail

kilianc/rtail

rtail(1) - Terminal output to the browser in seconds, using UNIX pipes.
CSS
1,623
star
92
tylertate/semantic.gs

tylertate/semantic.gs

The Semantic CSS Grid
CSS
1,588
star
93
zurb/foundation-apps

zurb/foundation-apps

The first front-end framework created for developing fully responsive web apps.
CSS
1,584
star
94
tylerchilds/cutestrap

tylerchilds/cutestrap

A strong, independent CSS Framework. Only 2.7KB minified & gzipped.
CSS
1,567
star
95
akshat46/FlyingFox

akshat46/FlyingFox

An opinionated set of configurations for firefox.
CSS
1,552
star
96
justspamjustin/junior

justspamjustin/junior

A front-end framework for building html5 mobile apps with a native look and feel.
CSS
1,542
star
97
jasonlong/cayman-theme

jasonlong/cayman-theme

A responsive theme for GitHub Pages
CSS
1,505
star
98
KyleAMathews/react-spinkit

KyleAMathews/react-spinkit

A collection of loading indicators animated with CSS for React
CSS
1,491
star
99
yihui/xaringan

yihui/xaringan

Presentation Ninja 幻灯忍者 · 写轮眼
CSS
1,472
star
100
cgross/angular-busy

cgross/angular-busy

Show busy/loading indicators on any element during $http requests (or any promise).
CSS
1,440
star