Theo Soti

Provides practical modern CSS tutorials, articles, and a book focused on building responsive layouts, popovers, dialogs, animations and other interface details with native CSS and less JavaScript. Serves front-end developers and designers, including individual learners and small teams who want production-ready patterns for user-friendly interfaces. Delivered as a content site with long-form tutorials, short tips, a newsletter, and a visual guide book accessible online.

Key features

• Responsive layouts tutorials
• Popovers and dialogs without JavaScript
• CSS animations and transitions
• CSS anchor positioning
• CSS if() conditional styling
• Animated gradient borders
• CSS relative colors palettes
• CSS object-fit values
• CSS motion path animations
• Accessible accordions with details/summary