Vertical Navigation Bar

<html>
<head>
    <style>
        ul {
            list-style-type: none;
            margin: 0;
            padding: 0;
            width: 200px;
            background-color: gray;
        }

        li a {
            display: block;
            color: white;
            padding: 8px 16px;
            text-decoration: none;
        }

        li a:hover {
            background-color: black;
            color: white;
        }
    </style>
</head>

<body>
    <h2>Vertical Navigation Bar</h2>
    <ul>
        <li><a href="#home">Home</a></li>
        <li><a href="#news">News</a></li>
        <li><a href="#concact">Contact</a></li>
        <li><a href="#about us">About Us</a></li>
    </ul>
</body>
</html>