body {
    font-family: Arial, Helvetica, sans-serif;
    background: linear-gradient(to bottom, #0d47a1, #42a5f5);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding-top: 100px;
    box-sizing: border-box;
  }
  
  .container {
    max-width: 100%;
    width: 100%;
    text-align: center;
    padding: 0 20px;
    box-sizing: border-box;
  }
  
  .header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(13, 71, 161, 0.8);
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1;
    box-sizing: border-box;
  }
  
  .fa-cross {
    font-size: 30px;
    color: white;
    margin-bottom: 5px;
  }
  
  h1 {
    font-size: 24px;
    margin: 0;
    color: #FFFFFF;
  }
  
  .link-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  
  .link-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 500px;
    margin-bottom: 15px;
    padding: 15px 25px;
    background-color: #FFFFFF;
    color: #0d47a1;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    position: relative;
    border: 2px solid transparent;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
  }
  
  .link-btn:hover {
    background-color: #0d47a1;
    color: #FFFFFF;
    border: 2px solid #FFFFFF;
  }
  
  .share-icon {
    display: block;
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    cursor: pointer;
  }
  
  .separator {
    width: 100%;
    max-width: 500px;
    height: 1px;
    background-color: white;
    margin: 30px 0;
  }
  
  .share-popup {
    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);
  }
  
  .share-popup-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 300px;
    border-radius: 5px;
    box-sizing: border-box;
  }
  
  .share-popup-content a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #000;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 10px;
    transition: background-color 0.3s ease;
  }
  
  .share-popup-content a:hover {
    background-color: #f1f1f1;
  }
  
  .share-popup-content a i {
    margin-right: 10px;
  }
  
  @media (max-width: 480px) {
    .container {
      padding: 0 10px;
    }
  
    .link-btn {
      font-size: 16px;
      padding: 12px 20px;
    }
  
    .share-icon {
      font-size: 18px;
    }
  
    .share-popup-content {
      width: 90%;
      margin: 30% auto;
    }
  }