body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f8f9fa;
  color: #333;
}

nav {
  background-color: #239BA7;
  padding: 1em;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1em;
  padding: 0;
  margin: 0;
}

nav ul li a {
  color: white;
  text-decoration: none;
}

footer {
  text-align: center;
  padding: 1em;
  background-color: #eee;
  margin-top: 2em;
}

.main-section {
  padding: 2em;
}

.offline-msg {
  background: #fff3cd;
  color: #856404;
  padding: 1em;
  border-radius: 4px;
  margin-top: 1em;
  border: 1px solid #ffeeba;
}