.popup-grades-cosmetic .popup-grades-wrapper .grades-right .swiper .swiper-slide:nth-child(1n) {
    background-image: url('/images/CosmeticAdditives/Metal Stearate(Al, Ca, Mg, Zn, K).jpg');
    background-repeat: no-repeat;
    background-size: cover;
}

.popup-grades-cosmetic .popup-grades-wrapper .grades-right .swiper .swiper-slide:nth-child(2n) {
    background-image: url('/images/CosmeticAdditives/Polysorbates(20, 60, 80).jpg');
    background-repeat: no-repeat;
    background-size: cover;
}

.popup-grades-cosmetic .popup-grades-wrapper .grades-right .swiper .swiper-slide:nth-child(3n) {
    background-image: url('/images/CosmeticAdditives/PEG Esters (Mono&Di-Stearates).jpg');
    background-repeat: no-repeat;
    background-size: cover;
}


.popup-grades-cosmetic .popup-grades-wrapper .grades-right .swiper .swiper-slide:nth-child(4n) {
    background-image: url('/images/CosmeticAdditives/HydrogenatedCastorOil(HCO).jpg');
    background-repeat: no-repeat;
    background-size: cover;
}