override css material ui code example

Example: how to override material ui css

You can use these methods for overriding CSS/styling in Material UI:
  1) StylesProvider
  2) ThemeProvider
  2) withStyles
  4) useStyles

Refer to this site for more informaiton:
	https://blog.bitsrc.io/4-ways-to-override-material-ui-styles-43aee2348ded