body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #222;
  text-align: center;
  margin: 0;
  padding: 0;
}

nav {
  background-color: #333;
  padding: 10px;
}

nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

h1 {
  margin-top: 40px;
}

.content {
  margin-top: 20px;
}

a {
  display: inline-block;
  margin-top: 10px;
  color: #0066cc;
}