body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f7f7f7;
  color: #222;
}

.container {
  max-width: 800px;
  margin: 120px auto;
  text-align: center;
  padding: 40px;
  background: white;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

h1 {
  font-size: 48px;
  margin-bottom: 16px;
}

p {
  font-size: 20px;
  margin-bottom: 24px;
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  background: black;
  color: white;
  text-decoration: none;
  border-radius: 8px;
}