.chatTabs ul {
    display: none;
}
.chatSystemMessage {
    display: none;
}
.chatFooter .chatFooterWrapper .chatPanel .chatSendLinksPanel {
    display: none;
}
div.chatSoundPanel {
    display: ;
}
.chatUserFrom, .chatPeople ul.chatPeopleList li a.chatUser {
    display: none;
}
.chatMain .chatPeople {
    display: none;
}