Skip to content
W3C Design System
  • Home
  • Settings
  • Styles
  • Layouts
  • Components
  • Scripts
  • Templates
  • Changelog
  • Getting started

Getting started

Site assets are automatically compiled and deployed on the W3C CDN. You may link to them directly in any types of projects.

¶CSS

  • Core stylesheet: https://www.w3.org/assets/website-2021/styles/core.css
  • Advanced stylesheet: https://www.w3.org/assets/website-2021/styles/advanced.css
  • Print stylesheet: https://www.w3.org/assets/website-2021/styles/print.css

Minimized versions exist at the same URL but with the suffix .min.css instead of .css

¶JavaScript

  • Fontface Observer: https://www.w3.org/assets/website-2021/js/libraries/fontfaceobserver.js
  • Main JavaScript file (main.js): https://www.w3.org/assets/website-2021/js/main.js
  • Content slider: https://www.w3.org/assets/website-2021/js/slider.js
  • Country auto-complete (as used on the Members listing template): https://www.w3.org/assets/website-2021/js/country-autocomplete.js

Minimized versions exist at the same URL but with the suffix .min.js instead of .js

¶Logos

Visit the main W3C website for logos and icons.

Copyright © 2026 W3C - generated 30 Sep 2026, 08:36:40 UTC

Feedback is welcome and can be submitted as a GitHub issue.