/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
  }
  
  header {
    text-align: center;
    background-color: #333;
    color: white;
    padding: 2rem;
    margin-bottom: 2rem;
  }
  
  .wrapper {
    width: 960px;
    margin: 0 auto;
    padding: 0 10px;
  }
  
  #content {
    background-color: #ffffff;
    padding: 20px 0;
  }
  
  .box {
    float: left;
    width: 285px;
    margin: 10px;
    padding: 10px;
    background-color: white;
    border: 1px solid #ccc;
    height: 480px;
  }
  
  .box img {
    width: 100%;
    height: auto;
    margin-bottom: 10px;
  }
  
  .box h3 {
    margin-bottom: 0.5rem;
  }
  
  footer {
    clear: both;
    text-align: center;
    padding: 1rem;
    background-color: #eee;
    font-size: 0.9rem;
    margin-top: 2rem;
  }
  
  /* Responsive layout for smaller screens */
  @media screen and (max-width: 960px) {
    .wrapper {
      width: 90%;
    }
    .box {
      width: 45%;
    }
  }
  
  @media screen and (max-width: 640px) {
    .wrapper {
      width: 95%;
    }
    .box {
      width: 100%;
    }
  }