* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: Arial, sans-serif;
    }

    body {
      display: flex;
      flex-direction: column;
      min-height: 100vh;
      background-color: #f4f4f4;
    }

    header, footer {
      background-color: #2d9708; 
      padding: 1em;
      text-align: center;
    }

    header nav {
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    header .logo img {
      height: 200px;
      max-width: 100%;
      margin-bottom: 0.5em;
    }

    header .menu {
      display: flex;
      gap: 2em;
      justify-content: center;
    }

    header a {
      text-decoration: none;
      color: #fff;
      font-weight: bold;
    }

    main {
      flex: 1;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 2em;
      gap: 2em;
    }

    main a img {
      width: 60px;
      transition: transform 0.3s;
    }

    main a img:hover {
      transform: scale(1.1);
    }

    footer p {
      margin: 0.5em 0;
      font-size: 0.9em;
      color: #fff;
    }

    @media (max-width: 600px) {
      header .menu {
        flex-direction: column;
        gap: 1em;
      }
    }