body{font-family:Arial,sans-serif;margin:0;padding:0;background-color:#f4f4f4}table{margin:20px auto;border-collapse:collapse;width:100%;max-width:1000px}th,td{padding:10px;border:1px solid #dedede;text-align:center}th{background-color:#007bff;color:white}tr:nth-child(even){background-color:#f2f2f2}tr:hover{background-color:#ddd}