body {
  font-family: Arial, sans-serif;
  background: #f8f8f8;
  color: #1b2432;
  margin: 0;
  padding: 0;
}
header {
  background: #1b2432;
  color: #d4af37;
  padding: 20px;
  text-align: center;
}
header img {
  max-height: 80px;
}
nav {
  background: #eee;
  padding: 10px;
  text-align: center;
}
nav a {
  color: #1b2432;
  margin: 0 15px;
  text-decoration: none;
}
nav a.portal {
  background: #d4af37;
  padding: 5px 10px;
  border-radius: 4px;
}
main {
  padding: 20px;
}
section {
  margin-bottom: 40px;
}
footer {
  background: #1b2432;
  color: white;
  text-align: center;
  padding: 20px;
}