Something

body {    font-family: Tahoma, Geneva, sans-serif;    font-size:12px;}    table#schedule {        border-collapse:collapse;        border: 1px solid black;        margin: 0 auto;    }        table#schedule th, table#schedule td {                        border: 1px solid black;            vertical-align: middle;            text-align: center;            width: 75px;            height: 45px;            padding: 0.7em;        }