.product-coupon{
    display: flex;
    align-items: center;
    border: 1px solid #ccc;
    border-radius: 10px;
    
}

.product-coupon__header{
    border-right: 1px dashed #ccc;
    flex-grow: 1;
    padding: 10px;
}

.product-coupon__main{
    padding: 10px;
    min-width: 66px;    
}