body { background-color: #ffffff; } .table { background-color: #ffffff; border-collapse: collapse; border: 2px solid black; border-spacing: 5px; } th.header, th.rowheader, td.header, td.Data { border: 1px solid black; padding: 6px; } td.Data { font-family: Courier New, monospace; } th.rowheader { background-color: #22ffff; } th.header { background-color: yellow; border: 1px solid black; }