bottomBorderNav.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Bottom Border Nav Links</title>
    <style>
        *{
            margin: 0;padding: 0;
            font-family: poppins;
        }
        .navbar{
            background-color: #333;
            overflow: hidden;

        }
        .navbar a{
            color: white;
            text-decoration: none;
            padding: 13px;
            font-size: 17px;
            float: left;
            text-transform: uppercase;
            display: block;
            text-align: center;
            border-bottom: 4px solid transparent;
        }
        .navbar a:hover,.navbar .active{
            border-bottom: 4px solid tomato;
        }
    </style>
</head>
<body>
    <div class="navbar">
        <a href="#" class="active">C-Language</a>
        <a href="#">C++</a>
        <a href="#">Java</a>
        <a href="#">Python</a>
        <a href="#">C#</a>
    </div>
</body>
</html>