src/App.css

#root {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

.header {
  font-size: 20px;
  text-align: left;
  padding-left: 10px;
  font-weight: 600;
}

.app-content {
  margin-top: 40px;
}