A numeric value or vector indicating which column(s) to be selected.
width
A character string telling HTML & LaTeX how wide the column
needs to be, e.g. "10cm", "3in" or "30em".
bold
A T/F value to control whether the text of the selected column
need to be bolded.
italic
A T/F value to control whether the text of the selected column
need to be emphasized.
monospace
A T/F value to control whether the text of the selected column
need to be monospaced (verbatim)
color
A character string for column text color. Here please pay
attention to the differences in color codes between HTML and LaTeX.
background
A character string for column background color. Here please
pay attention to the differences in color codes between HTML and LaTeX.
border_left
A logical variable indicating whether there should be a
border line on the left of the selected column. In HTML, you can also pass
in a character string for the CSS of the border line
border_right
A logical variable indicating whether there should be a
border line on the right of the selected column. In HTML, you can also pass
in a character string for the CSS of the border line