Referred from John’s cookbook sample app. .gv-nested-tbl { border-collapse: collapse; width: 100%; } .gv-nested-tbl td, .gv-nested-tbl th { border: 1px solid #EAEAEA; } .a-GV-row { height: 50px; } <table class='gv-nested-tbl'><thead><tr><th colspan=3>Country</th></tr><tr><th>Born</th><th>Died</th><th>Age</th></tr></thead></table> <table class='gv-nested-tbl'><tbody><tr><td colspan=3>&COUNTRY.</td></tr><tr><td>&FROM_YR.</td><td>&TO_YR.</td><td>&AGE.</td></tr></tbody></table> NOTE: Use COUNTRY, FROM_YR, TO_YR and AGE are... Read more