table{
    border-collapse: collapse;
}
td, th {
    border: 1px solid black;
    padding: 5px;
    width: 150px;
    font-size: 20px;
    font-family: Verdana;
}

td{
    text-align: right;
}

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

td.last_cell {
    background-color: aquamarine;
}