.ms-widget-preview {
    padding: 20px;
    border: 2px dashed #007cba;
    border-radius: 4px;
    background: #f0f8ff;
    min-height: 100px;
    text-align: center;
}

.ms-widget-empty {
    color: #666;
    font-style: italic;
}

.ms-widget-error {
    color: #dc3232;
    padding: 10px;
    border: 1px solid #dc3232;
    border-radius: 4px;
    background: #fff5f5;
}

.ms-widget-preview-content {
    color: #333;
}