getFtBorderFromCssBorder: Convert CSS border values to those used by the flextable package.
Description
getXlBorderFromCssBorder parses the CSS combined border declarations
(i.e. border, border-left, border-right, border-top, border-bottom) and
returns a list containing an openxlsx border style and color as separate
elements.
Usage
getFtBorderFromCssBorder(text)
Value
A list containing two elements: width, style and color.