@-moz-document domain("chess.com") {

body, #main, .dojochess, .dojochess, .dijitContentPane, .commentbody   {background-color: #000000 !important;}

.msgme {background-color: #000000 !important; color: #FFFFFF !important;}

.msgfriend {background-color: #000000 !important; color: #FFFFFF !important;}

p {color: #999999 !important;}

}