body {
  font-family: sans-serif;
  line-height: 1.6;
  margin: 20px;
  background-color: #f4f4f4; /* Light gray background */
  color: #333; /* Dark gray text */
}
header, footer {
  padding: 10px 0;
  text-align: center;
}
nav a {
  margin: 0 10px;
  text-decoration: none;
  color: #007acc; /* Blue links */
}
nav a:hover {
  text-decoration: underline;
}
main {
  max-width: 800px;
  margin: 20px auto; /* Center content */
  padding: 20px;
  background-color: #fff; /* White background for content */
  border-radius: 5px;
}