Apply a collection of CSS styles to simple websites using Water.css and semantic HTML.

watercss.kognise.dev
Water.css homepage screenshot

About Water.css

Water.css is a drop-in collection of CSS styles for simple static sites built with semantic HTML. It manages styling without requiring classes and is added with a stylesheet link tag, with default, dark, and light files listed.

It also provides a Waterize bookmarklet that replaces a page's styles for readability. It is intended for simple sites without fancy styles, and mobile-responsive use requires adding the viewport tag.

Key features

  • Applies styling to semantic HTML without custom classes
  • Default stylesheet available via CDN link tag
  • Separate dark.css and light.css theme files
  • Waterize bookmarklet replaces page styles for readability
  • Supports responsive layout with viewport meta tag
  • Styles forms, tables, code blocks, and typography
Best for: People creating simple static sites with semantic HTML who want basic styling without writing custom classes.
Good for
  • Works with semantic HTML without requiring classes
  • Offers default, dark, and light stylesheet files
  • Provides bookmarklet to replace styles for readability
Watch out for
  • Designed for simple sites and does not include fancy styles
  • Requires adding the viewport tag for responsive behavior

Water.css at a glance

Type
Website
Pricing
Not confirmed. Check the site
Platforms
Web
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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Water.css FAQ

Is it responsive?
Yes, when the responsive viewport tag is added; the site notes it avoids fancy styles to remain mobile responsive.
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