.kdp-product-image-slider-wrapper-inner, .royalslider-fitter, 
.royalslider-fitter *:not(a):not(img) {
   
    height:125vw!important;
    /*max-height: calc(100vh - 150px)!important;*/
    max-height: 125vw!important;
    border-radius: 5px;
}