.page_stock_location_barcodes {
    .barcode {
        position: absolute;
        -webkit-transform: rotate(90deg);
        width: 300px;
        margin-left: -150px;
        height: 50px;
        margin-top: -25px;
    }
    .barcode:nth-child(1) {
        top: 47mm;
        left: 75%;
    }
    .barcode:nth-child(2) {
        top: 161mm;
        left: 75%;
    }
    .barcode:nth-child(3) {
        top: 47mm;
        left: 25%;
    }
    .barcode:nth-child(4) {
        top: 161mm;
        left: 25%;
    }
}