.nav-message-icon-wrap {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}

.nav-message-icon-wrap .nav-unread-dot {
  position: absolute;
  top: -2px;
  right: -5px;
  width: 12px;
  height: 12px;
  background: red;
  border-radius: 50%;
  border: 2px solid white;
  z-index: 10;
  display: none;
}