.preview-table {
    border-collapse: collapse;
    width: 100%;
}

    .preview-table th,
    .preview-table td {
        border: 1px solid #ccc;
        padding: 5px;
        text-align: left;
    }

    .preview-table th {
        background-color: #f5f5f5;
        font-weight: bold;
    }

.preview-container {
    max-height: 300px; /* limit height */
    overflow: auto; /* scroll if overflow */
    border: 1px solid #ccc;
    padding: 5px;
}