body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
        }
        .navbar {
            background-color: #333;
            overflow: hidden;
        }
        .navbar a {
            float: left;
            display: block;
            color: #f2f2f2;
            text-align: center;
            padding: 14px 20px;
            text-decoration: none;
        }
        .navbar a:hover {
            background-color: #ddd;
            color: black;
        }
        .navbar a.active {
            background-color: #04AA6D;
            color: white;
        }