combineWidgets from formattable and plotly

Dear users,

I've tried to create combined HTM widget by invoking:
` htmlwidgets::saveWidget(manipulateWidget::combineWidgets(as.htmlwidget(ft), p ), "consolidated.html")`

Where ft is output from `formattable` and p graph from `plotly`. 
The table has lost most of  CSS features such as grids display.

Would you please hint me how to add/preserve css attributes from the ft?

Thanks!