CSS

Cascading Style Sheets (CSS) is a language used most often to style and improve upon the appearance of websites. It allows for the separation of presentation and content, and includes the characteristics of layouts, colors and fonts. CSS builds upon HTML to make webpages more interactive and appealing to the user.

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twbs /bootstrap

Sponsor

Star174k

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

javascript css html sass bootstrap scss css-framework

UpdatedDec 16, 2025
MDX

Chalarangelo /30-seconds-of-code

Star126k

Coding articles to level up your development skills

nodejs javascript css git html education snippets programming es6-javascript learn-to-code astro awesome-list learning-resources

UpdatedDec 9, 2025
JavaScript

electron /electron

Star119k

:electron: Build cross-platform desktop apps with JavaScript, HTML, and CSS

electron nodejs javascript css html c-plus-plus chrome v8 works-with-codespaces

UpdatedDec 15, 2025
C++

microsoft /Web-Dev-For-Beginners

Star94.7k

24 Lessons, 12 Weeks, Get Started as a Web Developer

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UpdatedDec 12, 2025
JavaScript

tailwindlabs /tailwindcss

Star91.5k

A utility-first CSS framework for rapid UI development.

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UpdatedDec 16, 2025
TypeScript

florinpop17 /app-ideas

Star88.8k

A Collection of application ideas which can be used to improve your coding skills.

javascript css html practice applications coding ideas hacktoberfest codingchallenges

UpdatedOct 11, 2025

animate-css /animate.css

Star82.5k

🍿 A cross-browser library of CSS animations. As easy to use as an easy thing.

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UpdatedJul 29, 2024
CSS

FortAwesome /Font-Awesome

Star76.1k

The iconic SVG, font, and CSS toolkit

css font fontawesome icons svg-icons webfont svg-sprites

UpdatedDec 12, 2025
JavaScript

thedaviddias /Front-End-Checklist

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Star71.9k

🗂 The perfect Front-End Checklist for modern websites and meticulous developers

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UpdatedFeb 14, 2025

juliangarnier /anime

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Star65.6k

JavaScript animation engine

javascript css svg canvas anime animation javascript-library

UpdatedDec 3, 2025
JavaScript

h5bp /html5-boilerplate

Star57.3k

A professional front-end template for building fast, robust, and adaptable web apps or sites.

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UpdatedDec 1, 2025
JavaScript

necolas /normalize.css

Star53.7k

A modern alternative to CSS resets

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UpdatedJun 12, 2024
CSS

prettier /prettier

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Star51.3k

Prettier is an opinionated code formatter.

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UpdatedDec 16, 2025
JavaScript

jgthms /bulma

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Star50k

Modern CSS framework based on Flexbox

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UpdatedDec 3, 2025
CSS

Asabeneh /30-Days-Of-JavaScript

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Star45.7k

30 days of JavaScript programming challenge is a step-by-step guide to learn JavaScript programming language in 30 days. This challenge may take more than 100 days, please just follow your own pace. These videos may help too:https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw