Dark Mode CSS Variables: Theme Systems with light-dark()
How to Build a No-Flash CSS Dark Mode Toggle Declare color-scheme: light dark on :root and add a <meta name=”color-scheme”> tag in <head>. Define design tokens as CSS custom properties using light-dark() for each color value. Wrap light-dark() tokens in an @supports block and provide a prefers-color-scheme media-query fallback outside it. Add a blocking inline … Read more