div#chat-widget-container {
    display: none;
}


 .rubrik-forward-registration-login div#chat-widget-container, 
.rubrik-forward-attendeeportaldev-page-portal div#chat-widget-container ,  
.rubrik-forward-attendeeportalvirtualdev-page-porta div#chat-widget-container, 
.rubrik-forward-attendeeportaldev-login div#chat-widget-container,
 .rubrik-forward-registration-login div#chat-widget-container, 
.rubrik-forward-attendeeportal-page-portal div#chat-widget-container ,  
.rubrik-forward-attendeeportalvirtual-page-porta div#chat-widget-container, 
.rubrik-forward-attendeeportalvirtual-page-portal div#chat-widget-container, 
.rubrik-forward-attendeeportal-login div#chat-widget-container
{
    display: block;
   
}