A few ways of specifying per-theme colours in only CSS
The article, titled "A few ways of specifying per-theme colours in only CSS" and published on Lobsters on May 16, 2026, outlines practical strategies for developers to manage color themes purely through CSS. It likely delves into the use of CSS custom properties (variables) to define color palettes that can be dynamically swapped based on user preferences or site-wide theme settings. The discussion would cover how these variables can be scoped to different elements or applied globally, enabling efficient theme switching without requiring JavaScript intervention. Furthermore, the piece likely explores integrating media queries, such as `prefers-color-scheme`, to automatically adapt themes (e.g., dark mode) based on operating system settings, enhancing user experience and accessibility. By focusing solely on CSS, the article promotes a lightweight and performant approach to theming, reducing reliance on client-side scripting for visual adjustments.
This guide helps developers implement flexible and maintainable UI themes using only CSS, improving performance and reducing JavaScript dependency.