Construct an item to be contained by CSS grid layout

Construct an item to be contained by CSS grid layout

grid_item(..., row_start = NULL, row_end = NULL, row = NULL,
  column_start = NULL, column_end = NULL, col = NULL, column = col,
  area = NULL, justify_self = NULL, align_self = NULL,
  z_index = NULL, order = NULL, style = NULL)

Arguments

...	Items in the container
row_start, row_end, row, column_start, column_end, column, area	CSS properties of gird-*, whereas grid- is abbreviated, and hyphens are replaced by underscores. For example, the row_start argument is equivalent to the CSS's grid-row-start property. Specify a string as a value for the corresponding CSS property.
col	An alias of column
justify_self, align_self	Strings to specify values for the CSS's justify-self and align-self properties.
z_index, order	A string to specify the corresponding CSS property (z-index and order, respectively)
style	Additional values of the style attribute such as color: red;.