CSS variables make it easy to change styles.
Use UnoCSS theme properties in a variable.
https://unocss.dev/integrations/postcss#theme
--page-width: theme(breakpoints.lg);Use variables in shortcuts.
shortcuts: {
'container': 'max-w-[var(--page-width)] mx-auto',
},See also preflights.
https://unocss.dev/config/preflights#preflights
And consider adding theme properties instead and creating rules or variants.
https://unocss.dev/config/theme
https://unocss.dev/config/theme#extendtheme
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