body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
}

button {
  margin-top: 16px;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: #3b82f6;
  color: white;
  font-size: 16px;
}

button:hover {
  background: #2563eb;
}