td,th{
    border: 1px solid black;
    padding: 5px;
    width: 150px;
    font-size: 30px;
    font-family: Helvetica;
}

tfoot td{
    border-bottom: none;
}
#total {
    border-bottom: none;
    border-left: none;
}

tr td:last-child {
    background-color: aquamarine;
}