body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #333;
            color: #ccc;
            display: flex;
            flex-direction: column;
            height: 100vh;
        }

        header {
            background-color: #555;
            padding: 10px;
            text-align: center;
            width: 100%;
        }

        nav {
            background-color: #777;
            padding: 10px;
            text-align: center;
            width: 100%;
        }

        nav a {
            color: #ccc;
            text-decoration: none;
            padding: 10px;
            margin: 0 10px;
            font-weight: bold;
            transition: color 0.3s ease;
        }

        nav a:hover {
            color: #fff;
            border-radius: 5px;
        }

        main {
            max-width: 900px;
            margin: 20px auto;
            padding: 20px;
            background-color: #444;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
            width: 100%;
        }

      #logo {
          font-family: 'Courier New', Courier, monospace;
          white-space: pre;
          font-size: 8px;
          line-height: 0.8;
          text-align: center;
          color: #007BFF;
          margin-bottom: 2px;
          margin-left: 5px;
          margin-right: 15px;
      }
          .hidden-text {
        position: absolute;
        opacity: 0;
        }
        
        
        .directory-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.directory-box {
    background-color: #555;
    color: #fff;
    font-weight: bold;
    text-align: center;
    width: 200px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease, box-shadow 0.3s ease;
}

.directory-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
    background-color: #666;
}