body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: url('https://images.unsplash.com/photo-1504674900247-0877df9cc836') no-repeat center center fixed;
  background-size: cover;
  color: #fff;
}

.overlay {
  background: rgba(0,0,0,0.6);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}

h1, h3 {
  margin-bottom: 20px;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.btn {
  background: palevioletred;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
}

.btn:hover {
  background: palevioletred;
}