Grid Container

<!DOCTYPE html>
<html>
<head>
    <style>
        .grid-kolom {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            font-family: sans-serif;
        }
        .kolom-item {
            background: #e0f2fe;
            color: #0369a1;
            padding: 25px;
            text-align: center;
            border-radius: 8px;
            font-weight: bold;
        }
    </style>
</head>
<body>
    <div class="grid-kolom">
        <div class="kolom-item">Kolom 1 (1fr)</div>
        <div class="kolom-item">Kolom 2 (1fr)</div>
        <div class="kolom-item">Kolom 3 (1fr)</div>
    </div>
</body>
</html>