fdBox: Create a box
In alteryx/flightdeck: Interactive Dashboards for Predictive Models

Boxes can be used to hold content in the main body of a dashboard.

Syntactic sugar for Box in a Row

fdBox(..., title = NULL, footer = NULL, status = NULL,
  solidHeader = FALSE, background = NULL, width = 6, height = NULL,
  collapsible = FALSE, collapsed = FALSE, extraBoxClass = NULL,
  extraHeader = NULL)

fdRowBox(..., title = NULL, footer = NULL, status = NULL,
  solidHeader = FALSE, background = NULL, width = 6, height = NULL,
  collapsible = FALSE, collapsed = FALSE, extraBoxClass = NULL)

`...`	Contents of the box.
`title`	Optional title.
`footer`	Optional footer text.
`status`	The status of the item This determines the item's background color.
`solidHeader`	Should the header be shown with a solid color background?
`background`	If NULL (the default), the background of the box will be white. Otherwise, a color string.
`width`	The width of the box, using the Bootstrap grid system. This is used for row-based layouts. The overall width of a region is 12, so the default valueBox width of 4 occupies 1/3 of that width. For column-based layouts, use `NULL` for the width; the width is set by the column that contains the box.
`height`	The height of a box, in pixels or other CSS unit. By default the height scales automatically with the content.
`collapsible`	If TRUE, display a button in the upper right that allows the user to collapse the box.
`collapsed`	If TRUE, start collapsed. This must be used with `collapsible=TRUE`.
`extraBoxClass`	extra class to provide to the box.
`extraHeader`	extra header to provide to the box