Specifies that the first column conditional formatting should be
applied. Details for this and other conditional formatting options can be found
at http://officeopenxml.com/WPtblLook.php.
first_column
Specifies that the first column conditional formatting should
be applied.
last_row
Specifies that the first column conditional formatting should be applied.
last_column
Specifies that the first column conditional formatting should be
applied.
no_hband
Specifies that the first column conditional formatting should be applied.
no_vband
Specifies that the first column conditional formatting should be applied.