tailwind.config.js

const defaultTheme = require('tailwindcss/defaultTheme')
const colors = require('tailwindcss/colors')
const mdx = require('@mdx-js/mdx')

module.exports = {
  mode: 'jit',
  purge: {
    content: ['./src/**/*.{js,mdx}', './next.config.js'],
    transform: {
      mdx: mdx.sync,
    },
  },
  theme: {
    extend: {
      fontFamily: {
        sans: ['Inter var', ...defaultTheme.fontFamily.sans],
      },
      colors: {
        teal: colors.cyan,

        // for syntax highlighting
        fuchsia: colors.fuchsia,
        lime: colors.lime,
        sky: colors.sky,
        rose: colors.rose,
        emerald: colors.emerald,
      },
      typography: (theme) => ({
        DEFAULT: {
          css: {
            color: theme('colors.gray.700'),
            h2: {
              fontWeight: '700',
              letterSpacing: theme('letterSpacing.tight'),
              color: theme('colors.gray.900'),
            },
            h3: {
              fontWeight: '600',
              color: theme('colors.gray.900'),
            },
            'ol li:before': {
              fontWeight: '600',
              color: theme('colors.gray.500'),
            },
            'ul li:before': {
              backgroundColor: theme('colors.gray.400'),
            },
            code: {
              color: theme('colors.gray.900'),
            },
            a: {
              color: theme('colors.gray.900'),
              fontWeight: 400,
            },
            pre: {
              color: theme('colors.white'),
              backgroundColor: theme('colors.gray.800'),
            },
            blockquote: {
              color: theme('colors.gray.900'),
              borderLeftColor: theme('colors.gray.200'),
            },
          },
        },
      }),
    },
  },
  plugins: [
    require('@tailwindcss/aspect-ratio'),
    require('@tailwindcss/typography'),
    function ({ addBase }) {
      addBase([
        {
          '@font-face': {
            fontFamily: 'Inter var',
            fontWeight: '100 900',
            fontStyle: 'normal',
            fontNamedInstance: 'Regular',
            fontDisplay: 'swap',
            src: 'url("/fonts/Inter-roman.var-latin.woff2?3.13") format("woff2")',
          },
        },
        {
          '@font-face': {
            fontFamily: 'Inter var',
            fontWeight: '100 900',
            fontStyle: 'italic',
            fontNamedInstance: 'Italic',
            fontDisplay: 'swap',
            src: 'url("/fonts/Inter-italic.var-latin.woff2?3.13") format("woff2")',
          },
        },
      ])
    },
  ],
}