Custom Properties articles

2/12/2025 • EN

Introducing style-observer, a JavaScript library to detect and respond to CSS property changes, including custom properties.

css-in-js Custom Properties polyfill Style Observer web components

12/12/2024 • EN

A guide on using CSS variables to create cleaner, more maintainable and scalable stylesheets for web development.

css variables Custom Properties Frontend maintainability Theme Switching

5/21/2021 • EN

A deep dive into the CSS `revert` keyword and why it behaves unexpectedly with custom properties, based on a Twitter quiz most developers got wrong.

Cascading css css variables Custom Properties revert

10/12/2020 • EN

A CSS technique using a single custom property with a space value to toggle multiple style declarations on and off, enabling conditional styling.

css css hacks css variables Custom Properties

4/20/2020 • EN

A developer's guide to implementing a user-toggleable dark mode on a website using CSS custom properties and JavaScript.

css Custom Properties dark-mode Frontend Prefers Color Scheme

Custom Properties Articles