.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  font-family: 'Arial', sans-serif;
}

.header {
  background-color: #333;
  color: white;
  padding: 1rem;
  text-align: center;
}

.nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
}

.nav li {
  margin: 0 15px;
}

.nav a {
  color: white;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav a:hover {
  color: #007bff;
}

@media (max-width: 768px) {
  .container {
    padding: 10px;
  }
  
  .nav ul {
    flex-direction: column;
  }
}