#cart_b  {
text-align: center;
}

table {
    display: table;
    border-collapse: collapse;
    border-spacing: 2px;
    border-color: grey;
}
td, th {
    display: table-cell;
    vertical-align: inherit;
}
#option_tbl {
    border-collapse: collapse;
    margin: 10px auto 0;
    border-top: 1px solid #ccc;
    border-left: 1px solid #ccc;
    width: 100%;
  margin-bottom: 40px;
}
#option_tbl br {
  display: none;
}
tbody {
    display: table-row-group;
    vertical-align: middle;
    border-color: inherit;
}
tr {
    display: table-row;
    vertical-align: inherit;
    border-color: inherit;
}
th {
    font-weight: bold;
}
#option_tbl th, #option_tbl td.none {
    background: #eee;
}
#option_tbl td {
    padding: 5px;
    text-align: center;
    border-bottom: 1px solid #ccc;
    border-right: 1px solid #ccc;
}
#option_tbl th {
    padding: 5px;
    border-bottom: 1px solid #ccc;
    border-right: 1px solid #ccc;
}
.stock_zero {
    color: red;
  vertical-align: middle;
}
span.table_price  {
    display: none;
}

#detail .table  {
  width: 100%;
}
#detail .table .cell_mar {
    margin: 10px 5px 10px 15px;
}

tr.stock_head th.cell_1  {
  text-align: center;
}