body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
  }
  
  header {
    background-color: #007bff;
    color: white;
    padding: 15px 0;
    text-align: center;
  }
  
  header h1 {
    margin: 0;
    font-size: 28px;
  }
  
  header p {
    margin: 5px 0 0;
  }
  
  nav {
    display: flex;
    justify-content: center;
    background-color: #343a40;
  }
  
  nav a {
    color: rgb(143, 137, 137);
    text-decoration: none;
    padding: 15px 20px;
    font-size: 16px;
  }
  
  nav a:hover {
    background-color: #495057;
  }
  
  .container {
    margin: 20px auto;
    max-width: 1200px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
  }
  
  .card {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    width: 200px;
    text-align: center;
    padding: 15px;
  }
  
  .card img {
    width: 150px;
    height: 150px;
    margin-bottom: 10px;
  }
  
  .card h3 {
    font-size: 18px;
    margin: 10px 0;
  }
  
  .card p {
    font-size: 14px;
    color: #555;
  }
  
  .card a {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
  }
  
  .card a:hover {
    background-color: #0056b3;
  }