* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f4f4;
  }
  .container {
    max-width: 1000px;
    margin: 30px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  .slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
  }
  .slider img {
    width: 100%;
    height: auto;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.3s;
  }
  .slider img:hover {
    transform: scale(1.05);
  }
  .description {
    padding: 15px;
    background-color: #f9f9f9;
    border-radius: 5px;
    text-align: center;
    font-style: italic;
    color: #666;
  }
  .modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
  }
  .modal-content {
    position: relative;
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 900px;
    max-height: calc(100% - 70px);
    overflow: auto;
  }
  .modal-content img {
    width: 100%;
    max-height: 100%;
    object-fit: contain;
  }
  .button-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
  }
  .button {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    outline: none;
    font-size: 16px;
    border-radius: 4px;
  }
  .button:hover {
    background-color: #555;
  }
  h1 {
    text-align: center;
    color: black;
    text-decoration: none;
  }
  h1 img {
    height: 50px;
    vertical-align: middle;
  }
  footer {
    position: static;
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 10px;
    color: #000;
  }
  .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
  }
  
  .announcement-title {
    font-size: 24px;
    color: #333;
    margin: 0;
  }
  .close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
  }
  .close:hover,
  .close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
  }
  .friend-links ul {
    list-style-type: none;
    padding-left: 0;
    display: flex;
    justify-content: center;
    margin-top: 10px;
  }
  
  .friend-links li {
    margin-right: 10px;
  }
  
  .friend-links a {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    outline: none;
    font-size: 16px;
    border-radius: 4px;
    text-decoration: none;
  }
  
  .friend-links a:hover,
  .friend-links a:focus {
    background-color: #555;
  }
  .footer {
    display: flex;
    justify-content: center;
    padding: 10px;
    color: #000;
  }
  
  .footer .footer-content {
    display: flex;
    align-items: center;
    gap: 20px;
  }
  
  .footer .friend-links,
  .footer .copyright-info {
    flex: 1;
  }