rh-rhdata-customer-web/src/App.css

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 2rem;
}

.app h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.app code {
  background: #fff;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
}