App.css - Obfuscate CSS class names in Create React App without eject

App.css

// File - src/App.css

.App {
  text-align: center;
}

.AppLogo {
  height: 80px;
}

.AppHeader {
  background-color: #222;
  height: 150px;
  padding: 20px;
  color: white;
}

.AppTitle {
  font-size: 1.5em;
}

.AppIntro {
  font-size: large;
}