body {
      font-family: Arial, sans-serif;
      margin: 0;
      background-color: #f4f4f4;
    }

    header {
      background-color: blue;
      color: white;
      padding: 10px 20px;
      text-align: center;
    }

    nav {
      background-color: #0c0075;
      padding: 10px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
    }

    nav a {
      color: white;
      text-decoration: none;
      font-weight: bold;
      margin: 5px 10px;
    }

    .container {
      display: flex;
      flex-wrap: wrap;
      padding: 10px;
    }

    .main {
      flex: 3;
      padding: 10px;
      background-color: white;
      margin-right: 10px;
      min-width: 250px;
    }

    .sidebar {
      flex: 1;
      padding: 10px;
      background-color: #fff0e6;
      min-width: 200px;
    }

    .section {
      margin-bottom: 20px;
      border-bottom: 1px solid #ccc;
      padding-bottom: 10px;
    }

    .section img {
      max-width: 100%;
      height: auto;
    }

    iframe {
      width: 100%;
      height: 250px;
      border: 0;
      margin-top: 10px;
    }

    footer {
      background-color: #0c0075;
      color: white;
      text-align: center;
      padding: 10px;
      margin-top: 20px;
    }

    h2 {
      color: #a70000;
    }

    ul {
      padding-left: 20px;
    }

    .highlight {
      background-color: yellow;
      font-weight: bold;
    }

    @media (max-width: 768px) {
      .container {
        flex-direction: column;
      }

      .main {
        margin-right: 0;
      }
    }