.big-photo-gallery {
    text-align: center;
}

.product-variant-default {
    /*margin: 0px auto;*/
    display: block;
}

.product-variant-small {
    margin: 15px auto;
    display: block;
    border: 1px solid #e6e6e4;
}

.photo-gallery {
    margin-bottom: 20px;
}

.center-image {
    display: inline-block;
    float: none;
}