.single-product div.product table.variations:not(.variations-init) label,
.single-product div.product table.variations:not(.variations-init) select {
    background-color: transparent !important;
    color: transparent !important;
    border-color: transparent !important;
    background: linear-gradient(100deg, #eceff1 30%, #f6f7f8 50%, #eceff1 70%);
    background-size: 400%;
    animation: variationsloading 1.2s ease-in-out infinite;
    position: relative;
}

@keyframes variationsloading {
    0% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0 50%;
    }
}