title: styling `TextValidator` in react-material-ui-form-validator
body: <p>I am using <code>react-material-ui-form-validator</code> in my react form for material design as well as for validation, now i want to change the color of shrink label but not able to find any option to styling <code>TextValidator</code>, React material provide option to add class when label is shrink but not this. Any idea how I can use material design with the easy validation in react</p>
  
  <p>this is the package that I am using </p>
  
  <p><a href="https://github.com/NewOldMax/react-material-ui-form-validator" rel="nofollow noreferrer">https://github.com/NewOldMax/react-material-ui-form-validator</a> </p>