.product_img{
    margin-bottom: 20px;
}
.product_img .product_a {
    padding: 4px;
    background-color: #fff;
    border: 1px solid #ddd;
    height: 300px;
    width: 285px;
    display: table-cell;
    vertical-align: middle;
}

.product_img .product_a img {
    padding: 0;
    border: 0;
    max-width: 100%;
    max-height: 100%;
    display: block;
    margin: auto;
}
.product_img .product_more {
    font-size: 20px;
    text-align: center;
    height: 311px !important;
    line-height: 311px !important;
}