td:first-child {border-left: 0px}
td:last-child {border-right: 0px}
thead {border: 1px solid black; border-left: 0px; border-right: 0px}
+th {border: 1px solid black; border-top: 0px; border-bottom: 0px}
+th:first-child {border-left: 0px}
+th:last-child {border-right: 0px}
.header {margin-bottom:8px}
\ No newline at end of file