nav {
            display: flex;
            gap: 4px;
            padding: 5px 3px;
            background-color: transparent;
            border-radius: 10px 10px 0 0;
        }

        nav a {
            color: #444;
            text-decoration: none;
            padding: 5px 5px;
            border-radius: 5px;
            font-family: Arial, sans-serif;
            background-color: #AAA;
            transition: background-color 0.5s;
        }

        nav a:hover {
            background-color:#d4f7b3;
            color: #011A1E;
        }

        nav a.active {
            background-color: #0056cc;
            color: white;
            font-weight: bold;
            box-shadow: 0 0 10px rgba(0, 123, 255, 0.7);
        }