CSS Advent Calendar

The Advent season is just around the corner, and I'm excited to present our CSS Advent Calendar! 🎄

Starting December 1st, 2025, you can expect a new, independent article about Cascading Style Sheets (CSS) every day until Christmas. Whether it's exciting tips, useful tricks, or just interesting information – there's something for everyone, regardless of whether you're a junior or senior developer.

Let's fill the days until Christmas together with new knowledge and fun.

Featured

• Door 15 – Modern Typography in CSS

  Published:Dec 15, 2025 |  at 07:00 AM

  Modern web typography goes far beyond font sizes. This door is about fluid scaling, line-height systems, variables, font axes, readability, and building consistent typographic systems.

Recent Posts

• Door 14 – CSS Cascade Layers

  Published:Dec 14, 2025 |  at 07:00 AM

  Cascade Layers bring order to large codebases. This door explains how @layer works, why it prevents specificity conflicts, and how to use layers structurally in professional projects.

• Door 13 – CSS Architectures. BEM, ITCSS, CUBE CSS Compared

  Published:Dec 13, 2025 |  at 07:00 AM

  A practical comparison of the most important CSS architecture approaches – BEM, ITCSS, and CUBE CSS – and how they help to make codebases maintainable and scalable in the long term.

• Door 12 – State Styling without JavaScript

  Published:Dec 12, 2025 |  at 07:00 AM

  Modern CSS selectors like :has(), :checked, or :target enable interactivity without JavaScript. This door shows practical use cases and typical patterns of modern UI components.