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