.thumbnail.thumbnail-image.tfwctool-product-attributeimage {
    display: inline-block;
}

table.wp-list-table .column-preview {
    width: 80px;
}

.tfwc-preview {
    width: 50px;
    height: 50px;
    margin: 0 auto !important;
    border-radius: 2px;
    box-shadow: 0px 0px 3px 0px #000000f7 inset;
    display: block;
}

.tfwc-preview-color, 
.tfwc-preview-image {
	background-image: linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4), linear-gradient(45deg, #c4c4c4 25%, transparent 25%, transparent 75%, #c4c4c4 75%, #c4c4c4);
    background-position: 0 0, 10px 10px;
    background-size: 20px 20px;
}