.woocommerce img {
height: auto;
width: auto;
max-width: 100%;
display: block;
margin-left: auto;
margin-right: auto;
}
.woocommerce div.product div.images img {
height: auto;
width: auto;
max-width: 100%;
display: block;
margin-left: auto;
margin-right: auto;
}
