@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("mail.163.com") {
embed,
.gFtable div.links,
.gFtable div.info + div,
div[id$="FakeLetterDiv"],
div[id^="dvReadAdread"],
div[id^="dvReadFlashAdread"],
div.part-main .gWel-tab,
div.part-sec div[class^="gWel-"] { display: none !important; }
}