How to add new attributes

module.exports = {
  content: [
    './app/**/*.{js,ts,jsx,tsx}',
    './lib/**/*.{js,ts,jsx,tsx}',
  ],
  theme: {
    extend: {
      backgroundImage: {
        'gradient-radial': 'radial-gradient(var(--tw-gradient-stops))',
        'gradient-conic':
          'conic-gradient(from 180deg at 50% 50%, var(--tw-gradient-stops))',
      },
      blur: {
        xs: "0.03em",
      },
    },
  },
  plugins: [],
}