screens: {
  sm: '640px',
  md: '768px',
  lg: '1024px',
  xl: '1280px',
},
colors: {
  transparent: 'transparent',
  black: '#000',
  white: '#fff',
  gray: {
    100: '#f7fafc',
    200: '#edf2f7',
    300: '#e2e8f0',
  },
  // ...