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Modern CSS
Modern CSS Solutions explains contemporary approaches to common CSS problems through a series of articles.

About Modern CSS
Modern CSS Solutions is a series of articles by Stephanie Eckles, a frontend developer, that explains contemporary approaches to common CSS problems. The articles cover topics such as defining types for custom properties with @property, fluid typography using container query units, adaptive spacing, and custom form controls built in pure CSS. Several articles discuss how to check whether a newer CSS feature is supported and how to manage fallbacks.
The site is a set of written articles and a newsletter signup for updates. The homepage does not state pricing. A companion site, SmolCSS, is linked for minimal demo snippets of CSS layouts and components.
Key features
- Explains @property for defining types on CSS custom properties
- Covers fluid typography using container query units and custom properties
- Shows how to build custom checkboxes, radio buttons, selects and inputs in pure CSS
- Covers creating CSS shapes with borders, linear gradients and clip-path
- Guides on testing feature support and managing fallbacks with build tools
- Offers a newsletter for article updates and CSS tips
- Articles cover specific techniques, including code-level approaches to custom controls and layouts
- Includes guidance on checking browser support and handling fallbacks for newer features
- Links to a companion site, SmolCSS, with minimal demo snippets
Modern CSS at a glance
- Website
- moderncss.dev
- Category
- Education & Learning › Learn to Code
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Modern CSS FAQ
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