# gustavoguanabara/html-css

Curso de HTML5 e CSS3

Repository: https://github.com/gustavoguanabara/html-css
Canonical: https://ross.abutalabs.com/products/html-css
Homepage: https://gustavoguanabara.github.io/html-css/
Language: HTML
License: MIT
License Family: permissive
Topics: curso, gratis, cursoemvideo, gustavoguanabara, html5, css3
Last push: 2025-08-11T15:13:07+00:00

## Health v2 (maintenance only)
Score: 48/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 36, release rhythm 35, longevity 100
- inputs: {"age_days": 2368, "days_push": 387, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 16494, forks 3883 (observed 2026-08-28T04:11:16.610968+00:00)

## What it is
A free public course repository teaching HTML5 and CSS3 basics to beginners, created by Professor Gustavo Guanabara. It includes PDF lesson materials, exercise source code, runnable examples, and HTML challenges hosted via GitHub Pages.

## Use cases
- learn html5 and css3 from scratch
- free web development course for beginners
- practice html and css with exercises
- find html coding challenges to solve
- teach a web development class with ready-made material
- download html css lessons as pdf

## When to choose
- you are a beginner wanting a structured, free HTML5/CSS3 course
- you are a teacher looking for classroom-ready web development material
- you prefer learning through exercises and challenges with runnable examples

## When to avoid
- you need advanced or modern CSS frameworks and tooling
- you want JavaScript or backend web development content
- you plan to republish the material commercially, which the license forbids

## Facets
- artifact type: learning-resource
- maturity: active
- function: documentation, developer-tools
- domain: web-development, education, tutorials
- platform: cross-platform
- tags: html5, css3, course, free-course, beginner, exercises, portuguese, cursoemvideo, web

## Member repositories
- gustavoguanabara/html-css (main) score 48

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:16.610968+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 2026-08-29T17:04:53.671103+00:00, confidence not recorded.
  - readme: https://github.com/gustavoguanabara/html-css (fetched 2026-08-28T04:11:16.610968+00:00, sha 54a505d9cfe1)
  - homepage: https://gustavoguanabara.github.io/html-css/ (fetched 2026-08-29T08:02:12.163650+00:00, sha f7028ae9dca8)
- Data as of 2026-08-30T08:39:29.467469+00:00.