body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f8f9fa;
  direction: rtl;
  text-align: right;
}
header, footer {
  background-color: #004d7a;
  color: white;
  padding: 20px;
  text-align: center;
}
main {
  padding: 20px;
}
a {
  color: #004d7a;
  text-decoration: none;
}
nav {
  background: #e0e0e0;
  padding: 10px;
  text-align: center;
}
nav a {
  margin: 0 15px;
}
section {
  margin-bottom: 20px;
}