/* loading product */
.is-loading::before{
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: #fff;
    opacity: 0.5;
    z-index: 9999;
}

.is-loading .spinner-border{
    position: absolute;
    top: calc(50% - 1rem);
    left:calc(50% - 1rem);
    z-index: 5;
}
/* end loading product */

/* loading productDetail */
/* end loading product */