cell (cell) -- the content of the table cell margin (table padding) (cellpadding) -- Represents a distance outside the cell, used to separate cells and cell space Cell spacing (table spacing) (cellspacing) -- Represents table borders and cell padding Distance is also the distance between cell padding Reference URL: http://www.dreamdu.com/xhtml/attribute_cellpadding_cellspacing/ The above figure illustrates the table Several properties, among which the black part is the cell (cell), the white area is the cell margin (table filling), and the gray area is the cell spacing (table spacing).