Grid 12-column Layout

<!DOCTYPE html>
<html>
<head>
    <style>
        .layout-web {
            display: grid;
            grid-template-areas:
                'header header'
                'sidebar konten'
                'footer footer';
            grid-template-columns: 180px 1fr;
            gap: 10px;
            font-family: sans-serif;
        }
        .h { grid-area: header; background: #0d2e5c; color: white; padding: 15px; }
        .s { grid-area: sidebar; background: #f1f5f9; padding: 15px; }
        .k { grid-area: konten; background: #ffffff; border: 1px solid #e2e8f0; padding: 15px; }
        .f { grid-area: footer; background: #071a35; color: #94a3b8; padding: 10px; text-align: center; }
    </style>
</head>
<body>
    <div class="layout-web">
        <div class="h">Header Website</div>
        <div class="s">Sidebar Navigasi</div>
        <div class="k">Konten Artikel Utama</div>
        <div class="f">Footer &copy; 2026</div>
    </div>
</body>
</html>