Learn PURE-CSS with Real Code Examples
Updated Nov 23, 2025
Architecture
Pure CSS modules
Responsive grid system
Mobile-first layout design
Semantic HTML encouraged
Simple, modular CSS for customization
Rendering Model
CSS-only for layout and styling
Responsive via grid breakpoints
Mobile-first design
Custom CSS for styling overrides
Semantic HTML encouraged
Architectural Patterns
Component-based CSS
Grid-first layout
Responsive modules
No JS dependencies
Customizable styling via CSS
Real World Architectures
Landing pages
Email templates
Static websites
Lightweight web apps
Prototyping minimal designs
Design Principles
Minimal and lightweight
Modular CSS components
Mobile-first, responsive grid
Cross-browser compatibility
No JavaScript required
Scalability Guide
Use only required modules for performance
Minify CSS for production
Organize CSS overrides efficiently
Integrate with JS frameworks for dynamic apps
Responsive grid allows complex layouts without JS
Migration Guide
Pure CSS v0 -> v2: update grid classes
Use new module syntax
Responsive breakpoints updated
Custom CSS overrides may need adjustment
Semantic HTML remains compatible