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

@-moz-document domain("mail.google.com") {
/* Read Messages */
tr[class*='zA yO']  {background-color: #f3f3f3 !important;}
/* Checked Read Messages */
tr[class*='zA yO x7']  {background-color: #fff1a8 !important;}
/* Invitations Box */
.pY {display:none !important;}
}