.message-box {
  position: relative;
}
.message-box .dot-red {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #ff5a5a;
  border-radius: 50%;
  border: 1px solid #ffffff;
  top: 4px;
  right: 0;
}
.message-box .message-title {
  position: absolute;
  right: 0;
  top: 30px;
  padding: 7px 10px;
  background: rgba(18, 23, 54, 0.9);
  border-radius: 4px;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 12px;
  color: #ffffff;
  line-height: 16px;
}
.message-box .message-title:after {
  content: "";
  position: absolute;
  top: -11px;
  right: 5px;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 6px solid rgba(18, 23, 54, 0.9);
}