message: Remove unused className
diff: @@ -63,7 +63,7 @@ export default function ContactForm({ initialValues = defaults }: ContactFormPro
  }
  return (
  - <Grid container direction="column" component="section" className={classes.container}>
  + <Grid container direction="column" component="section">
  <Grid item xs={12}>
  <Typography variant="h5" component="h2" className={classes.heading}>
  {t('contact:form-heading')}
  