# l-hammer/You-need-to-know-css

💄CSS tricks for web developers~

Repository: https://github.com/l-hammer/You-need-to-know-css
Canonical: https://ross.abutalabs.com/products/you-need-to-know-css
Homepage: https://lhammer.cn/You-need-to-know-css/
Language: CSS
License: NOASSERTION
License Family: other
Topics: css, css-tricks, css-effects, css-experiment, css-layout, css-animations, docsify, css-properties, css-shapes, css-variables, css-shadow-parts, css-flexbox, css-center, cssnext, css3, css-transitions, css-snippets, css-scrollbar, pseudo-elements
Last push: 2024-07-28T04:37:15+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3197, "days_push": 766, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 5455, forks 621 (observed 2026-08-28T04:09:19.048490+00:00)

## What it is
A curated collection of CSS tricks, effects, and layout techniques presented as a docsify-based documentation site with live demos. It covers topics like translucent borders, stripes backgrounds, shapes, flexbox centering, transitions, and pseudo-elements for web developers.

## Use cases
- learn css tricks for web development
- find css snippets for common effects
- how to center elements with flexbox
- css techniques for shapes and borders
- css animation and transition examples
- reference for css pseudo-elements and variables

## When to choose
- you want a visual, demo-driven reference of practical CSS techniques
- you are a frontend developer looking for copy-paste CSS snippets
- you want to learn modern CSS layout, shapes, and animation tricks

## When to avoid
- you need a CSS framework or component library to include in production
- you need comprehensive CSS documentation rather than curated tricks
- you need actively maintained tooling rather than a reference collection

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation, css-framework, animation, developer-tools
- domain: web-development, frontend, web-design, tutorials, documentation
- platform: browser, cross-platform
- tags: css-tricks, css-snippets, css-animations, css-layout, docsify, css3, frontend-reference, css-effects, web-server, nodejs

## Member repositories
- l-hammer/You-need-to-know-css (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:19.048490+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:56:48.449184+00:00, confidence not recorded.
  - readme: https://github.com/l-hammer/You-need-to-know-css (fetched 2026-08-28T04:09:19.048490+00:00, sha 9a02d3da444e)
  - homepage: https://lhammer.cn/You-need-to-know-css/ (fetched 2026-08-29T08:51:51.120068+00:00, sha decd698de6bd)
- Data as of 2026-08-30T08:39:29.467469+00:00.
