body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0A1F3E, #8A2BE2, #39FF14);
    color: #ffffff;
    line-height: 1.6;
    padding: 20px;
  }

  header {
    text-align: center;
    padding: 40px 0;
    background: rgba(10, 31, 62, 0.8);
    border-bottom: 2px solid #C0C0C0;
  }

  header h1 {
    font-size: 2.5em;
    margin: 0;
    font-family: 'Roboto', sans-serif;
  }

  .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
  }

  .card {
    background: rgba(192, 192, 192, 0.2);
    padding: 20px;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
  }

  .card:hover {
    transform: scale(1.05);
  }

  .card img {
    width: 100%;
    height: auto;
    border-radius: 5px;
  }

  .card h2 {
    font-family: 'Roboto', sans-serif;
    margin-top: 15px;
    font-size: 1.5em;
    color: #C0C0C0;
  }

  .card p {
    margin: 10px 0;
  }

  pre {
    background: rgba(0, 0, 0, 0.6);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
  }

  code {
    color: #39FF14;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
  }

  table, th, td {
    border: 1px solid #C0C0C0;
  }

  th, td {
    padding: 10px;
    text-align: left;
  }

  th {
    background: rgba(138, 43, 226, 0.8);
  }

  a {
    color: #8A2BE2;
    text-decoration: none;
    position: relative;
  }

  a::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: #39FF14;
    transition: width .3s;
    position: absolute;
    bottom: 0;
    left: 0;
  }

  a:hover::after {
    width: 100%;
  }

  .footer {
    text-align: center;
    padding: 20px 0;
    background: rgba(10, 31, 62, 0.8);
    border-top: 2px solid #C0C0C0;
    margin-top: 40px;
  }

  @media (max-width: 768px) {
    header h1 {
      font-size: 2em;
    }

    .container {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 480px) {
    body {
      padding: 10px;
    }

    .card {
      padding: 15px;
    }

    pre {
      padding: 10px;
    }
  }