Hide notifications and network updates on SO: stylish configuration

so.css

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

@-moz-document domain("stackoverflow.com") {
  #hot-network-questions {
    display: none;
  }
  
  .community-bulletin {
    display: none;
  }
  
  .unread-count {
    display: none !important;
  }
  
  .topbar .icon-achievements.icon-achievements-unread {
    background-position: -220px -54px
  }
}

@-moz-document domain("stackexchange.com") {
  #hot-network-questions {
    display: none;
  }
}