body {
  background: black;
  color: white;
  font-family: Arial, sans-serif;
  text-align: center;
  padding: 50px;
}

.age-gate, .site-content {
  margin-top: 20%;
}

button {
  background: purple;
  color: white;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
}