body {
  background: #60af46;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin: 20px auto;
  padding: 20px;
  max-width: 400px;
  width: 100%;
}

h2 {
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
  font-size: 2rem;
}