body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f4f0ff;
  display: flex;
  flex-direction: column;
  align-items: center;
}
header {
  padding: 1rem;
}
.container {
  text-align: center;
}
h1 {
  font-size: 2.5rem;
  color: #7a3e9d;
}
h2 {
  font-size: 1.5rem;
  color: #444;
}
p {
  font-size: 1.2rem;
  color: #333;
}