body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

header {
  text-align: center;
  padding-bottom: 20px;
}

.directory {
  border: 1px solid #ccc;
  padding: 10px;
}

.directory h2 {
  margin-top: 0;
}

ul {
  list-style-type: none;
  padding: 0;
}

ul li {
  margin-bottom: 5px;
}

footer {
  margin-top: 20px;
  text-align: center;
}