/*first column*/
.table.mycart thead th:nth-child(1), .table tbody td:nth-child(1){text-align: center;}

/*last column*/
.table.mycart thead th:nth-last-child(1), .table tbody td:nth-last-child(1),.table tfoot td:nth-last-child(1) {text-align: center;padding:0.75rem 0.25rem;}
.table.mycart thead th:nth-last-child(2), .table tbody td:nth-last-child(2){text-align: left;padding:0.75rem 0.25rem;}
.table tfoot td:nth-last-child(2){
    text-align: right;
}