table.prices {
    width: 80%;
    margin: auto;
}
.prices thead {
    background: #cfcbc5;
}
.prices th {
    background: #cfcbc5;
    padding: 10px;
    width: 20%;
}

.prices td {
    padding: 5px;
    border: 2px solid #cfcbc5;
}

.prices th:first-child{
    min-width: 120px
}

.prices td, th {
    text-align: center;
}