body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f4;
}

.container {
  text-align: center;
  margin-top: 80px;
}

.card {
  background: white;
  width: 400px;
  margin: auto;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 10px #ccc;
}

button {
  background: #4285f4;
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 5px;
  cursor: pointer;
}