#ph-pc-checkout-box .form-inline .form-group .ph-input-quantity {
    width: 50px;
    height: 30px;
}

#ph-pc-item-box .bootstrap-touchspin .input-group-btn-vertical,
#ph-pc-checkout-box .bootstrap-touchspin .input-group-btn-vertical {
    z-index: 2;
}