Flex Responsive

<!DOCTYPE html>
<html>
<head>
    <style>
        .grid-kartu {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-family: sans-serif;
        }
        .kartu {
            flex: 1 1 200px;
            background: white;
            border: 1px solid #cbd5e1;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
        }
    </style>
</head>
<body>
    <div class="grid-kartu">
        <div class="kartu"><h4>Modul 1</h4><p>Dasar Pemrograman</p></div>
        <div class="kartu"><h4>Modul 2</h4><p>Struktur Algoritma</p></div>
        <div class="kartu"><h4>Modul 3</h4><p>Proyek Akhir</p></div>
    </div>
</body>
</html>