code: function wrapperStyle(primaryColor, secondaryColor) {
    return {
      color: primaryColor,
      backgroundColor: secondaryColor,
      border: `1px solid ${primaryColor}`,
      borderRadius: '3px',
      display: 'inline-block',
      boxSizing: 'border-box',
      fontWeight: 'normal',
      fontFamily: 'Helvetica Neue, Helvetica, Arial, sans-serif',
      height: '66px',
      margin: '24px 12px 6px 0',
      padding: '9px 0',
      textAlign: 'center',
      textDecoration: 'none',
      WebkitFontSmoothing: 'antialiased',
      width: '192px'
    };
  }
docs: Styles