.node--view-mode-full .field-body.field-item table tbody tr td {
    border-top: inherit;
    border-right: 1px solid #ECECEC;
    border-bottom: 1px solid #ECECEC;
}
.node--view-mode-full .field-body.field-item table tbody tr td:last-child {
    border-right: 0;
}