table {  border:3px solid black; border-collapse:collapse; height:700px; }
th, td {border:3px solid black; margin:5px; font-size:30pt;}
body {background:silver;}
th:nth-child(odd){ background-color:gold;}
td:nth-child(odd){ background-color:gold;}
th:nth-child(even){ background-color:grey;}
td:nth-child(even){ background-color:grey;}
.first{ vertical-align:bottom; }