td.cms_plain_header {
    font-weight: bold;
    border-bottom: 1px solid #CCCCCC;
    padding-top: 1px;
    padding-bottom: 1px;
}

td.cms_plain_content {
    font-weight: normal;
    border-bottom: 1px solid #CCCCCC;
    padding-top: 1px;
    padding-bottom: 1px;
}