tailwind.config.js

const {
  default: flattenColorPalette,
} = require("tailwindcss/lib/util/flattenColorPalette");

/** @type {import('tailwindcss').Config} */
module.exports = {
  corePlugins: {
    preflight: false,
  },
  darkMode: ["class"],
  content: ["./src/**/*.{js,jsx,ts,tsx}"],
  theme: {
    extend: {
      "brand-color": "#fea7df",
      colors: {
        soft: "var(--ifm-f-white-soft2)",
      },
    },

    animation: {
      aurora: "aurora 60s linear infinite",
      shimmer: "shimmer 8s infinite",
      "border-beam": "border-beam calc(var(--duration)*1s) infinite linear",
      marquee: "marquee var(--duration) linear infinite",
      "marquee-vertical": "marquee-vertical var(--duration) linear infinite",
      backgroundPositionSpin:
        "background-position-spin 3000ms infinite alternate",
    },
    keyframes: {
      aurora: {
        from: {
          backgroundPosition: "50% 50%, 50% 50%",
        },
        to: {
          backgroundPosition: "350% 50%, 350% 50%",
        },
      },
      marquee: {
        from: { transform: "translateX(0)" },
        to: { transform: "translateX(calc(-100% - var(--gap)))" },
      },
      "marquee-vertical": {
        from: { transform: "translateY(0)" },
        to: { transform: "translateY(calc(-100% - var(--gap)))" },
      },
      "border-beam": {
        "100%": {
          "offset-distance": "100%",
        },
      },
      shimmer: {
        "0%, 90%, 100%": {
          "background-position": "calc(-100% - var(--shimmer-width)) 0",
        },
        "30%, 60%": {
          "background-position": "calc(100% + var(--shimmer-width)) 0",
        },
      },
      "background-position-spin": {
        "0%": { backgroundPosition: "top center" },
        "100%": { backgroundPosition: "bottom center" },
      },
    },
  },
  plugins: [addVariablesForColors],
};

function addVariablesForColors({ addBase, theme }) {
  let allColors = flattenColorPalette(theme("colors"));
  let newVars = Object.fromEntries(
    Object.entries(allColors).map(([key, val]) => [`--${key}`, val])
  );

  addBase({
    ":root": newVars,
  });
}