html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f0f0 0%, #cacaca 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #333;
}

.container {
  padding: 2rem 3rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  font-size: 1.5rem;
  text-align: center;
}