RWD Intro

<!DOCTYPE html>
<html>
<head>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        body { font-family: sans-serif; padding: 20px; }
        .pesan-rwd {
            background: #0d2e5c;
            color: white;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
        }
    </style>
</head>
<body>
    <div class="pesan-rwd">
        <h3>Prinsip Dasar RWD</h3>
        <p>1. Grid Fleksibel | 2. Gambar Fleksibel | 3. Media Queries</p>
    </div>
</body>
</html>