color: #333;
            padding: 10px 15px;
            text-decoration: none;
            display: block;
        }
        .dropdown-content a:hover {
            background-color: #ddd;
        }
        .dropdown:hover .dropdown-content {
            display: block;
        }
        .toolbox-ad {
            padding: 15px;
            background-color: #f9f9f9;
            border: 1px solid #ccc;
            border-radius: 4px;
            text-align: justify;
            font-size: 20px;
            