S method
      
TextStyle
S({ 
    
    
- Color? color,
 - bool? isBold,
 - FontWeight fontWeight = FontWeight.normal,
 - bool? isStatic,
 
Implementation
TextStyle S(
    {Color? color,
    bool? isBold,
    FontWeight fontWeight = FontWeight.normal,
    bool? isStatic}) {
  color ??= Get.find<AppColors>().textColor;
  return TextStyle(
      fontSize: isStatic == null
          ? _size2
          : isStatic
              ? _staticSizes["S"]
              : _sizeRatios["S"],
      color: color,
      fontWeight: isBold == null
          ? fontWeight
          : isBold
              ? FontWeight.bold
              : FontWeight.normal);
}