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;
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;