#product_images img{filter: brightness(98%);}
#product_images .images-thumb{width: 100%; cursor: grab;}
#product_images .images-thumb:active{cursor: grabbing;}
#product_images .images-main{width:calc(100% - 100px);}
#product_images .images-main img{cursor: grab;}
#product_images .images-main img:active{cursor: grabbing}

.product-images-nav{position: absolute; height: 100%; top: 0; display: flex; justify-content: center; flex-direction: column; z-index: 1; font-size: 20px; color: #fff; text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);}
.product-images-nav.product-image-prev{left: 10px;}
.product-images-nav.product-image-next{right: 10px;}