.woocommerce-order-received .woocommerce-order {
    background: #ECECEC !important;
    border-radius: 16px !important;
    padding: 30px 40px 40px !important;
    border: 0 !important;
    margin: 0 !important;
}

.woocommerce-order-received .woocommerce-order ul.order_details {
    padding: 0;
}

.woocommerce-order-received .woocommerce-order .wc-item-meta {
    display: none;
}