body {
  background-color: #f0f4f8;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: sans-serif;
}

.card {
  background: white;
  padding: 40px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #2c3e50;
  margin-bottom: 12px;
}

p {
  color: #666;
}

button {
  margin-top: 20px;
  padding: 10px 24px;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background-color: #2980b9;
}