Cell Padding (NISO JATS table model)
Amount of space, measured in pixels, between the border of a cell and the
contents of a table cell. (This attribute is based on and
intended to be converted easily to the XHMTL cellpadding attribute.)
||Thickness, measured in pixels, of the cell padding.
|Restriction: @cellpadding is an optional
attribute; there is no XML default. The typical browser default is “1” pixel.