body {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  text-align: center;
  background: #f3f4f6;
  color: #333;
}
h1 {
  font-size: 3rem;
  margin: 0;
}
p {
  font-size: 1.25rem;
}