src/static/css/enhanced_announcements_dot.css

@keyframes TWPTAnnouncementDot {
  from {
    background-color: #d93025;
    bottom: 8px;
  }

  to {
    background-color: #e2b3b0;
    bottom: 0px;
  }
}

@keyframes TWPTAnnouncementDot-v2 {
  from {
    background-color: #d93025;
    top: 4px;
  }

  to {
    background-color: #e2b3b0;
    top: 12px;
  }
}

header .left-control .material-drawer-button.has-updates::after,
    header .right-control material-button.has-updates::after {
  height: 10px;
  width: 10px;
}

header .left-control .material-drawer-button.has-updates::after {
  animation: .5s infinite alternate ease-in TWPTAnnouncementDot;
}

header .right-control material-button.has-updates::after {
  animation: .5s infinite alternate ease-in TWPTAnnouncementDot-v2;
}

header .sash {
  display: none;
}