body {
  background-color: #f2f2f2;
  font-family: sans-serif;
  text-align: center;
  padding: 2em;
  margin: 0;
}

/* Navigation bar styling */
.navbar {
  background-color: #333;
  padding: 1em;
  text-align: center;
}

.navbar a {
  color: white;
  margin: 0 1em;
  text-decoration: none;
  font-weight: bold;
}

.navbar a:hover {
  text-decoration: underline;
}