body {
  background: #f4f4f4;
  color: #222;
  font-family: 'Segoe UI', Arial, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
}

.container {
  background: #fff;
  padding: 2rem 3rem;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.08);
  text-align: center;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}