The code for tables.css is: @charset "utf-8"; table.full { width: 100%; } table.collapsed, th, td { border: 1px solid black; border-collapse: collapse; } table.striped, th, td { border: 1px solid black; border-collapse: collapse; } table.striped tr:nth-child(even) { background-color: rgba(150, 212, 212, 0.4); } table.striped th:nth-child(even), table.striped td:nth-child(even) { background-color: rgba(150, 212, 212, 0.4); }