body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f7fa;
    color: #2b2b2b;
  }
  
  .container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  }
  
  h1, h2 {
    color: #0a6b8a;
  }
  
  h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
  }
  
  h2 {
    margin-top: 30px;
    font-size: 1.8rem;
  }
  
  p, li {
    font-size: 1rem;
    line-height: 1.6;
  }
  
  ul {
    padding-left: 20px;
  }
  
  a {
    color: #0066cc;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }

  nav {
  background-color: #f8f8f8;
  padding: 10px 0;
  border-bottom: 1px solid #ddd;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  justify-content: center;
  margin: 0;
  padding: 0;
}

nav li {
  display: inline;
}

nav a {
  text-decoration: none;
  color: #333;
  font-weight: bold;
}

nav a:hover {
  color: #007acc;
}