#screen-map [data-map-tab="chat"] {
  position: relative;
}

#screen-map [data-map-tab="chat"]::after {
  content: "";
  position: absolute;
  top: 7px;
  right: 14px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
}