Tag: Day 18

All the articles with the tag "Day 18".

• Door 18 – Theming with CSS

  Published:Dec 18, 2025 |  at 07:00 AM

  Theming without JavaScript – with CSS Custom Properties, color-scheme, Prefers-Color-Scheme, and modern color spaces. This door shows how to implement scalable Light, Dark, and Brand themes purely in CSS.