Атрибут RULES
RULES=
RULES=ALL | COLS | GROUPS | NONE | ROWS
Specifies which dividing lines are displayed (inner borders).
ALL Displays a border on all rows and columns.
COLS Displays borders between all table columns.
GROUPS Displays horizontal borders between all table groups. Groups are
specified by the THEAD, TBODY, TFOOT, and COLGROUP elements.
NONE Removes all interior table borders.
ROWS Displays horizontal borders between all table rows.
Applies To
TABLE