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What is pico?

anyblades/pico — explained in plain English

Analysis updated 2026-05-18

16CSSAudience · developerComplexity · 1/5LicenseSetup · easy

In one sentence

Pico is a community-maintained, classless CSS framework that styles plain semantic HTML automatically, with light and dark mode support built in.

Mindmap

mindmap
  root((Pico CSS))
    What it does
      Classless styling
      Semantic HTML
      Dark mode support
      Community fork
    Tech stack
      CSS
    Use cases
      Quick prototypes
      Static sites
      Small web projects
    Audience
      Frontend developers
      Prototype builders

Code map

Detail Auto

An interactive map of this repo's files and how they connect — its source is parsed live in your browser. Click Visualize to build it.

filefunction / class

What do people build with it?

USE CASE 1

Style a simple website or prototype quickly using plain HTML without writing custom CSS classes.

USE CASE 2

Add light and dark mode support to a static site with no extra JavaScript.

USE CASE 3

Use built-in components like cards, modals, accordions, and forms without a heavier CSS framework.

What is it built with?

CSS

How does it compare?

anyblades/picoyangdada863/aimy-sikllyildizdikme/3d-threejs-spiral-gallery
Stars161616
LanguageCSSCSSCSS
Setup difficultyeasyeasyeasy
Complexity1/52/52/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · easy Time to first run · 5min

Link the stylesheet in an HTML page, no build step or JavaScript required.

Open source and free to use in personal or commercial projects, following the original Pico CSS license terms.

So what is it?

This is a community maintained fork of the Pico CSS framework, a minimalist CSS stylesheet that makes plain HTML look clean and well designed without requiring JavaScript or complex class names. The goal is simple: write standard HTML, link to Pico, and your page immediately gets sensible typography, responsive layouts, attractive form elements, and light and dark mode support, all without adding CSS classes to every element. Unlike many CSS frameworks that require class names on every HTML tag, this one is described as class light and semantic, meaning it styles standard HTML elements directly. A plain button tag gets styled automatically, and a form element is responsive by default. The fork exists to keep Pico actively maintained while its original creator is unavailable. It focuses on the plain CSS version rather than a preprocessor based build, fixes known bugs from the original project, and ships new features separately under a file called pico.blades.css, a drop in compatible replacement that adds capabilities without breaking existing users of pico.css. Built in components cover the common needs of small to medium web projects: navigation menus, cards, dropdowns, accordions, modals, progress bars, tooltips, and form inputs including checkboxes, radio buttons, switches, and range sliders. Layout tools include a grid system, responsive containers, and text columns. This is best suited for developers who want a clean, opinionated visual baseline for simple websites or prototypes without pulling in a heavy design framework. The primary language is CSS. The full README is longer than what was shown.

Copy-paste prompts

Prompt 1
Show me how to add Pico CSS to a plain HTML page and structure a responsive navbar with it.
Prompt 2
How do I customize Pico CSS's color scheme using its CSS variables?
Prompt 3
What is the difference between pico.css and pico.blades.css in the anyblades/pico fork?
Prompt 4
Write an accessible HTML form styled automatically by Pico CSS, including a switch and a range input.

Frequently asked questions

What is pico?

Pico is a community-maintained, classless CSS framework that styles plain semantic HTML automatically, with light and dark mode support built in.

What language is pico written in?

Mainly CSS. The stack also includes CSS.

What license does pico use?

Open source and free to use in personal or commercial projects, following the original Pico CSS license terms.

How hard is pico to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is pico for?

Mainly developer.

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