body {
  font-family: Arial, sans-serif;
  background-color: black;
  color: white;
  margin: 0;
  padding: 20px;
  text-align: center;
}
nav {
  margin-top: 20px;
}
nav a {
  color: #00bfff;
  text-decoration: none;
  margin: 0 8px;
}
nav a:hover {
  text-decoration: underline;
}