@radix-ui/themes/src/styles/breakpoints.css

[](https://radix-ui.com/themes)

@custom-media --xs (min-width: 520px);
@custom-media --sm (min-width: 768px);
@custom-media --md (min-width: 1024px);
@custom-media --lg (min-width: 1280px);
@custom-media --xl (min-width: 1640px);