order.css

input[type=number].decimal,
input[type=number].smalldecimal,
input[type=number].quantity {
   text-align:center;
   padding: 0;
   position: relative;
}
input[type=number].decimal{
   width: 70px;
}
input[type=number].smalldecimal {
   width: 50px;
}
input[type=number].quantity {
   width: 40px;
}

input[type=number].decimal::-webkit-inner-spin-button,
input[type=number].quantity::-webkit-inner-spin-button {
    opacity: 1;
}

.tab_order_fixed {
   margin: 0;
   width:100%;
   border-collapse:collapse;
   table-layout: fixed;
}

.tab_order_fixed th,
.tab_order_fixed td {
   padding: 1px;
   width: 75px;
}

/* product type */
.tab_order_add_items th:nth-child(1),
.tab_order_add_items td:nth-child(1) {
   width: 90px;
}

/* product reference */
.tab_order_add_items th:nth-child(2),
.tab_order_add_items td:nth-child(2) {
   width: 25%;
}

/* ADD button */
.tab_order_add_items th:nth-child(7),
.tab_order_add_items td:nth-child(7) {
   width: 40px;
}

/* Massive actions */
label.order_ma {
   display: block;
   margin-top: 10px;
}