.popup-grades-metal .popup-grades-wrapper .grades-right .swiper .swiper-slide:nth-child(1n) {
    background-image: url('/images/MetalStearates/PlasticApplications.jpg');
    background-repeat: no-repeat;
    background-size: cover;
}

.popup-grades-metal .popup-grades-wrapper .grades-right .swiper .swiper-slide:nth-child(2n) {
    background-image: url('/images/MetalStearates/IndustrialApplications.jpg');
    background-repeat: no-repeat;
    background-size: cover;
}

.popup-grades-metal .popup-grades-wrapper .grades-right .swiper .swiper-slide:nth-child(3n) {
    background-image: url('/images/MetalStearates/CosmeticApplications.jpg');
    background-repeat: no-repeat;
    background-size: cover;
}


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