body,
html {
  width: 100%;
  height: 100%;
}
#dv {
  width: 50px;
  height: 50px;
  position: absolute;
  right: 50px;
  bottom: 50px;
}

.robot-icon {
  width: 100px;
  height: 50px;
  right: 0px;
  bottom: 50px;
  z-index: 20;
}
.robot-img {
  float: left;
  width: 50px;
  height: 50px;
  background: url("./robot-img.png") no-repeat;
  background-size: 100% 100%;
}

.iconBox-robot {
  transform: translateY(-80%);
}
.unReadMessage {
  background-color: #f56c6c;
  border-radius: 10px;
  color: #fff;
  font-size: 12px;
  height: 18px;
  line-height: 18px;
  padding: 0 6px;
  text-align: center;
  white-space: nowrap;
  border: 1px solid #fff;
  display: none;
}