HTML CSS Basic

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Selamat Datang</title>

    <style>

        .container{
            width: 80%;
            margin: auto;
        }

        .vh-100{
            height: 100vh;
        }

        .text-blue{
            color: blue;
        }

        .text-center{
            text-align: center;
        }

        .bordered{
            border: 0.5px solid lightgray;
        }

        .rounded{
            border-radius: 5px;
        }

        .shadowed{
            box-shadow: 5px 5px 10px black;
        }

    </style>
</head>
<body>

    <main class="container vh-100">

        <div class="bordered rounded shadowed">
            <h1 id="welcome" class="text-blue text-center"></h1>
        </div>

    </main>

    <script>
        const welcone = document.getElementById("welcome");

        welcome.innerHTML = "Selamat Belajar Django";
    </script>

</body>
</html>