.woocommerce div.product .flex-control-thumbs li,
.woocommerce div.product .flex-control-thumbs li img {
aspect-ratio: 1 / 1;
}
.woocommerce div.product .flex-control-thumbs li,
.woocommerce-product-gallery__image {
overflow: hidden;
display: flex !important;
align-items: center;
justify-content: center;
}
.woocommerce div.product .flex-control-thumbs li img,
.woocommerce-product-gallery__image img {
width: auto !important;
height: auto !important;
max-width: 100% !important;
max-height: 100% !important;
object-fit: contain !important;
}
.woocommerce-product-gallery .flex-viewport {
height: auto !important;
max-height: none !important;
aspect-ratio: unset !important;
}
.woocommerce-product-gallery__wrapper figure {
height: auto !important;
}
.flex-control-nav.flex-control-thumbs {
margin-top: 20px !important;
}
.flex-control-nav.flex-control-thumbs li {
margin-bottom: 20px !important;
}
.flex-control-nav.flex-control-thumbs li img,
.flex-control-nav.flex-control-thumbs li a img,
.woocommerce div.product .flex-control-thumbs li img {
width: 80% !important;
height: auto !important;
border: 2px solid #ccc !important;      
border-radius: 5px !important;           
box-sizing: border-box !important;       
}